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version 1.41, 2021/02/11 19:49:33 version 1.72, 2024/07/02 09:16:53
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 2021-02-11  Nicolas J Brouard   <nbrouard@mac02049.local>  2024-07-02  Nicolas Brouard  <brouard@ined.fr>
   
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          * imach.c (Module): Trying compiling on Linux with clang (instead
           of gcc which is too slow) and lot of warnings suppressed
 2020-02-22  Brouard Nicolas  <brouard@brouard.name>  
   2024-06-28  Nicolas Brouard  <brouard@ined.fr>
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy  
         and life table from the data without any state)          * imach.c (Module): s6 errors with age*age (harmless).
   
 2019-05-20  Brouard Nicolas  <brouard@brouard.name>  2024-05-12  Nicolas Brouard   <brouard@ined.fr>
   
         * version.h: Summary: version 0.99.r19          * imach.c Version 0.99s5 In fact, the covariance of total life
           expectancy e.. with a partial life expectancy e.j is high,
         * imach.c: Summary: Projection syntax simplified          therefore the complete matrix of variance covariance has to be
         We can now start projections, forward or backward, from the mean date          included in the formula of the standard error of the proportion of
         of inteviews up to or down to a number of years of projection:          total life expectancy spent in a specific state:
         prevforecast=1 yearsfproj=15.3 mobil_average=0          var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
         or          sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          made the program core dump. It is fixed in this version.
         or  
         prevbackcast=1 yearsbproj=12.3 mobil_average=1  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
         or  
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1          * (Module): In version 0.99s4, we incorporated the calculation of
           the std error of the proportion of total life expectancy spent in
 2019-05-18  Brouard Nicolas  <brouard@brouard.name>          a specific state Var(e.j/e..) using the formula of Var(X/Y)
           depending only of the variances of X and Y and expectancies.
         * imach.c: Summary: doxygen tex bug  
   2024-04-24  Nicolas Brouard   <brouard@ined.fr>
 2019-05-16  Brouard Nicolas  <brouard@brouard.name>  
           * (Module): This version comes late after having tested
         * imach.c: Summary: There was some wrong lines added          successfully the praxis C version of Buckhardt.  But Buckardt's
           version was difficult to read and Gegenfurtner's version had a few
 2019-05-09  Brouard Nicolas  <brouard@brouard.name>          typos which made its results less reliable than Buckhardt's
           results.  The most important work consisted in retyping the Brent
         * Makefile, imach.c: *** empty log message ***          original PRAXIS program written in Algol W (published with errors,
           ommitting the transposition of matrix V before its QR reduction
         * ChangeLog: Summary: C=          from Golub. I used the recent "awe" compiler from Gkynn Webster.
           The awe library had errors, for example in arc tangent function
         * imach.c: Summary: Some updates          which have been fixed.
   
         * imach.c: Summary: Before ncovmax          The main objective was to get identical results with the three
           versions: (1) Algol W, (2) Buckhardt'C version as well (3)
         * version.h: *** empty log message ***          Gegenfürtner C versions on the various test functions published by
           Brent in 1973 in Algol W.
         * imach.c: Summary: 0.99r18 unlimited number of individuals  
         The number n which was limited to 20,000 cases is now unlimited, from firstobs to lastobs. If the number is too for the virtual memory, probably an error will occur.          Also, in order to compare them, the random function had to produce
           the same sequence for the 3 softwares. The random function used in
 2018-12-13  Brouard Nicolas  <brouard@brouard.name>          imach corresponds to original Brent's random function written in
           Algol W.  Other point, in Algol W, the arrays of dimension n are
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          'normal' mathematical arrays starting from 1 to n. But this is a
           real issue in C where, by default, arrays are starting from 0 to
 2018-12-05  Brouard Nicolas  <brouard@brouard.name>          n-1. In Buckhardt, as well as in Gegenfürtner C code, it can be
           seen that authors while trying to mimick original Brent Algol W
         * Makefile: Summary: 0.99r16          code are hesitating by changing either a loop originally from 1 to
           n in a loop from 0 to n-1, or keeping Brent's loop from 1 to n and
 2018-05-02  Brouard Nicolas  <brouard@brouard.name>          shifting the index from original X(I) in Algol W to x[i-1] in C.
           But as IMaCh is using, since the beginning, the Numerical Recipes
         * imach.c: Summary: Some bugs fixed          functions vector or matrix, I changed Geggenfürtner code to mimick
           the original Algol W arrays. Thus the X(I) is translated in C as
 2018-05-02  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          x[i] which minimizes the errors. The Golub QR algorithm was
           published in Algol with overflow errors which were reproduced in
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17          Brent's Algol W code. Buckhardt code fixed these errors which are
           much more problematic in C than in Algol W.  Thus Buckhardt code
 2018-05-02  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          seems very safe, but i haven't chosen it for IMaCh because the C
           style is horrible and almost unreadable compared to Gegenfürtner
         * imach.c: Summary: Some bugs fixed          CO code which is very close to Brent's original. Also what makes
           Buckhardt code more difficult to read is, instead of passing the
 2018-05-01  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          minimum of parameters in the functions calls, as it is in Algol
           Brent's code or Gegenfürtner's code, the list of parameters is
         * imach.c:          high. For example, the flin function LONG REAL PROCEDURE FLIN
         Summary: Bug fixed by providing frequencies only for non missing covariates          (LONG REAL VALUE L) has only one parameter in Algol W, the
           Gegenfürtner flin function had two parameters: static double
 2018-04-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          flin(l, j) double l; { int i; double tflin[N];} but Buckhardt
           function has 14 parameters which makes the code unreadable and
         * imach.c: Summary: some minor bugs          useless. Gegenfürtner used a lot of static variables or functions
           which I tried to minimize. Also in Gegefürtner, array dimensions
 2018-04-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          were fixed to N. In my adaptation the flin is static double
           flin(double l, int j) and the parameter used are global variables.
         * README.txt: *** empty log message ***  
   2023-06-14  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some bugs fixed, valgrind tested  
           * imach.c (Module): Testing if conjugate gradient could be quicker
 2018-04-20  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          when lot of variables POWELLORIGINCONJUGATE
   
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16  2023-05-23  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          * imach.c (Module): Fixed PROB_r 
         Summary: Computing mean and stdeviation of fixed quantitative variables  
   2023-05-22  Nicolas Brouard   <brouard@ined.fr>
 2018-04-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): In the ILK....txt file, the number of columns
         * imach.c: Summary: Some minor bugs fixed          before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
   
         * version.h: *** empty log message ***  2023-05-08  Nicolas Brouard   <brouard@ined.fr>
   
 2018-02-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          *  (Module): Error V0 when result:. and model 1+age+V1: fixed
   
         * imach.c: *** empty log message ***  2023-04-29  Nicolas Brouard  <brouard@ined.fr>
   
         * imach.c: Summary: Adding second argument for quitting          * imach.c (Module): Inverting the model equation and fixingg bugs
           in the drawings
 2018-02-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          "1+age+V7*V4*age+V6*V4*age+V7*V3*age+V6*V3*age+V6*V2*age+V7*age+V6*age+V4*age+V3*age+V2*age+V7*V4+V6*V4+V7*V3+V6*V3+V7*V2+V6*V2+V7+V6+V4+V3+V2\000\0003+V2"
   
         * Makefile, README.txt, imach.c: Summary: 0.99r15  2023-04-24  Nicolas Brouard  <brouard@ined.fr>
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c  
           * imach.c (Module): some bugs in printinggnuplot 
 2017-07-20  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-09-19  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: temporary working  
           * imach.c (Module): Version 0.99r42 needed a newer version of
 2017-07-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          Gnuplot. But newer version 0.99r43 should run with the Gnuplot
           version 5.0 or 5.1 distributed with IMaCh.
         * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)  
   2022-09-18  Nicolas Brouard   <brouard@ined.fr>
 2017-07-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Fixing when a state in the data is 0 or higher
         * imach.c: Summary: BOM files can be read now          than lstate+ndeath. Fixing the plot of contribution to Likelihood.
   
 2017-06-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-09-16  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Graphs improvements          * imach.c (Module): 0.99r41 Was an error when product of timevarying and fixed. Using FixedV[of name] now. Thank you  Feinuo
   
         * imach.c: Summary: Saito's color  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
 2017-06-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
   
         * imach.c: Summary: Version 0.99r14  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
 2017-06-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Version 0.99r39 with colored dummy covariates
           (fixed or time varying), using new last columns of
         * imach.c: Summary: More documentation on projections          ILK_parameter.txt file.
   
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)  2022-09-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Some bug with rint          * imach.c (Module): Adding timevarying products of any kinds,
           should work before shifting cotvar from ncovcol+nqv columns in
 2017-05-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          order to have a correspondance between the column of cotvar and
           the id of column.
         * imach.c: *** empty log message ***          (Module): Some cleaning and adding covariates in ILK.txt
   
 2017-05-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-09-09  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Code into subroutine, cleanings          * imach.c (Module): Many improvements for fixing products of fixed
           timevarying as well as fixed * fixed, and test with quantitative
 2017-05-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          covariate.
   
         * imach.c:  2022-09-04  Nicolas Brouard   <brouard@ined.fr>
         Summary: backprojection and confidence intervals of backprevalence  
           * imach.c (Module): Now the easy runs i.e. without result or
 2017-05-13  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          model=1+age only did not work. The defautl combination should be 1
           and not 0 because everything hasn't been tranformed yet.
         * imach.c: Summary: temporary save for backprojection  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)  
           * imach.c: Version 0.99r35 because it outputs same results with
 2017-04-26  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          1+age+V1+V1*age for females and 1+age for females only
           (education=1 noweight)
         * imach.c: Summary: imach 0.99r13 Some bugs fixed  
   2022-08-31  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Labels in graphs  
           * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
 2017-04-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-08-21  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: to save  
           * imach.c (Module): Version 0.99r33 A lot of changes in
 2017-04-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          reassigning covariates: my first idea was that people will always
           use the first covariate V1 into the model but in fact they are
         * imach.c: *** empty log message ***          producing data with many covariates and can use an equation model
           with some of the covariate; it means that in a model V2+V3 instead
 2017-04-05  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          of codtabm(k,Tvaraff[j]) which calculates for combination k, for
           three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1          the equation model is restricted to two variables only (V2, V3)
           and the combination for V2 should be codtabm(k,1) instead of
 2017-04-04  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          (codtabm(k,2), and the code should be
           codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
         * imach.c: Summary: Gnuplot indexations fixed (humm)          made. All of these should be simplified once a day like we did in
           hpxij() for example by using precov[nres] which is computed in
         * imach.c:          decoderesult for each nres of each resultline. Loop should be done
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3          on the equation model globally by distinguishing only product with
           age (which are changing with age) and no more on type of
 2017-04-03  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          covariates, single dummies, single covariates. 
   
         * imach.c: Summary: Version 0.99r12  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
         Some cleanings, conformed with updated documentation.  
           *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
 2017-03-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-08-03  Nicolas Brouard   <brouard@ined.fr>
         * version.h: *** empty log message ***  
           *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
         * version.h: Summary:0.99r11  
   2022-07-25  Brouard Nicolas  <brouard@brouard.name>
 2017-03-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Error cptcovn instead of nsd in bmij (was
         * imach.c: Summary: Temp          coredumped, revealed by Feiuno, thank you.
   
 2017-03-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-07-23  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Temporary          * r29 W and not sqrt(Wald)
   
 2017-03-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-07-22  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed          *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
   
         * imach.c: Summary: Fixing data parameter line  2022-06-02  Brouard Nicolas  <brouard@brouard.name>
   
 2016-12-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Adding the Wald tests from the log to the main
           htm for better display of the maximum likelihood estimators.
         * imach.c: Summary: 0.99 in progress  
   2022-05-30  Brouard Nicolas  <brouard@brouard.name>
 2016-09-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: With products of covariates (age or dummies or
         * imach.c: *** empty log message ***          quantitatives), estimates of parameters were good but when
           estimating variances the positions of newly created covariates
         * imach.c: Summary: not working          were wrongly assigned and results were wrong. Thank to Feinua_Sun!
   
 2016-09-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-05-24  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: continue          * imach.c (Module): Some attempts to find a bug of wrong estimates
           of confidencce intervals with product in the equation modelC
 2016-09-07  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-05-15  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Starting values from frequencies  
           * imach.c (Module):  Some minor improvements
         * imach.c: *** empty log message ***  
   2022-04-13  Brouard Nicolas  <brouard@brouard.name>
 2016-09-02  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Adding link to text data files
         * imach.c: *** empty log message ***  
   2022-04-11  Nicolas Brouard   <brouard@ined.fr>
 2016-08-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
         * imach.c: Summary: Fixing a lots  
   2022-04-05  Brouard Nicolas  <brouard@ined.fr>
 2016-08-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Fixed covariates (dummy or quantitative)
         * imach.c: Summary: gnuplot problem in Back projection to fix          with missing values have never been allowed but are ERRORS and
           program quits. Standard deviations of fixed covariates were
         * imach.c: Summary: Better          wrongly computed. Mean and standard deviations of time varying
           covariates are still not computed.
 2016-08-26  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-03-17  Brouard Nicolas  <brouard@ined.fr>
         * imach.c:  
         Summary: Improvement in Powell output in order to copy and paste          * 99r25 Improvements in fixing discrepancies between covariates
           missing in result line but in model. 
         * imach.c: Summary: Starting tests of 0.99  
   *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: to valgrind          * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
   
 2016-08-25  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * ./ (Module): Fixed bug on result:
   
 2016-08-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Fix bug on quitting after result lines!
           (Module): Version 0.99r21
         * imach.c: Summary: not working  
   2021-02-12  Nicolas Brouard   <brouard@ined.fr>
 2016-08-22  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): The use of a Windows BOM (huge) file is now an error
         * imach.c: Summary: not working  
   
         * imach.c: Summary: Not working  2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
   
 2016-07-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
   
         * imach.c: Summary: Completing for func too  2020-02-22  Brouard Nicolas  <brouard@ined.fr>
   
 2016-07-22  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          *  (Module): imach.c Update mle=-3 (for computing Life expectancy
           and life table from the data without any state)
         * imach.c: Summary: Fixing some arrays, still debugging  
   2019-05-20  Brouard Nicolas  <brouard@ined.fr>
 2016-07-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * version.h: Summary: version 0.99.r19
         * imach.c:  
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          * imach.c: Summary: Projection syntax simplified
           We can now start projections, forward or backward, from the mean date
 2016-07-12  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          of inteviews up to or down to a number of years of projection:
           prevforecast=1 yearsfproj=15.3 mobil_average=0
         * imach.c: Summary: temp          or
           prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
         * imach.c: Summary: saving but not running          or
           prevbackcast=1 yearsbproj=12.3 mobil_average=1
 2016-07-01  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          or
           prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
         * imach.c: Summary: Fixes  
   2019-05-18  Brouard Nicolas  <brouard@ined.fr>
 2016-02-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: doxygen tex bug
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7  
   2019-05-16  Brouard Nicolas  <brouard@ined.fr>
         * setup.iss, Makefile, version.h: *** empty log message ***  
           * imach.c: Summary: There was some wrong lines added
         * imach.c: Summary: temporary  
   2019-05-09  Brouard Nicolas  <brouard@ined.fr>
 2016-02-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * Makefile, imach.c: *** empty log message ***
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6  
           * ChangeLog: Summary: C=
 2016-02-16  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Some updates
         * imach.c: Summary: minor bug  
           * imach.c: Summary: Before ncovmax
         * imach.c: Summary: 0.99r2  
           * version.h: *** empty log message ***
 2016-02-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: 0.99r18 unlimited number of individuals
         * imach.c: *** empty log message ***          The number n which was limited to 20,000 cases is now unlimited, from firstobs to lastobs. If the number is too for the virtual memory, probably an error will occur.
   
 2016-02-12  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-12-13  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.99 Back projections          * imach.c: Summary: Bug for young ages (<-30) will be in r17
   
 2015-12-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-12-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Experimental backcast          * Makefile: Summary: 0.99r16
   
 2015-12-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-05-02  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r4 Warning and status=-2          * imach.c: Summary: Some bugs fixed
   
         Version 0.98r4 is now:  2018-05-02  Brouard Nicolas  <brouard@ined.fr>
          - displaying an error when status is -1, date of interview unknown and date of death known;  
          - permitting a status -2 when the vital status is unknown at a known date of right truncation.          * imach.c:  Summary: Bug for young ages (<-30) will be in r17
         Older changes concerning s=-2, dating from 2005 have been supersed.  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Some bugs fixed
 2015-12-16  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2018-05-01  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c:
         * imach.c: Summary: 0.98r4 working          Summary: Bug fixed by providing frequencies only for non missing covariates
   
         * Makefile: Summary: linuxrpm added  2018-04-27  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: some minor bugs
   
         * imach.c: Summary: temporary not working  2018-04-21  Brouard Nicolas  <brouard@ined.fr>
   
 2015-12-11  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * README.txt: *** empty log message ***
   
         * imach.c: Summary: 0.98r4          * imach.c: Summary: Some bugs fixed, valgrind tested
   
 2015-12-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-04-20  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
   
 2015-11-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c:
           Summary: Computing mean and stdeviation of fixed quantitative variables
         * Makefile:  
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: minor typo          * imach.c: Summary: Some minor bugs fixed
   
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional          * version.h: *** empty log message ***
   
         Author: Nicolas Brouard  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
   
 2015-11-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: *** empty log message ***
   
         * imach.c: Summary: Start working on projected prevalences          * imach.c: Summary: Adding second argument for quitting
   
 2015-11-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-02-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Adding ftolpl parameter          * Makefile, README.txt, imach.c: Summary: 0.99r15
         Author: N Brouard          New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
   
         We had difficulties to get smoothed confidence intervals. It was due  2017-07-20  Brouard Nicolas  <brouard@ined.fr>
         to the period prevalence which wasn't computed accurately. The inner  
         parameter ftolpl is now an outer parameter of the .imach parameter          * imach.c: Summary: temporary working
         file after estepm. If ftolpl is small 1.e-4 and estepm too,  
         computation are long.  2017-07-19  Brouard Nicolas  <brouard@ined.fr>
   
         * version.h: *** empty log message ***          * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
   
         * imach.c: Summary: temporary  2017-07-17  Brouard Nicolas  <brouard@ined.fr>
   
 2015-10-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: Summary: BOM files can be read now
   
         * Makefile: *** empty log message ***  2017-06-30  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in: Summary: some new subdirs          * imach.c: Summary: Graphs improvements
   
         * imach.c: *** empty log message ***          * imach.c: Summary: Saito's color
   
         * setup.iss.in:  2017-06-29  Brouard Nicolas  <brouard@ined.fr>
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts  
           * imach.c: Summary: Version 0.99r14
 2015-10-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2017-06-27  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c: Summary: More documentation on projections
 2015-10-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
         * imach.c:  
         Summary: 0.98r3 some clarification for graphs on likelihood contributions          * imach.c: Summary: Some bug with rint
   
 2015-10-01  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Some new graphs of contribution to likelihood          * imach.c: *** empty log message ***
   
 2015-09-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile:          * imach.c: Summary: Code into subroutine, cleanings
         Summary: Version read from version.h, itself read with cmake  
   2017-05-18  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: looking at better estimation of the hessian  
           * imach.c:
         Also a better criteria for convergence to the period prevalence And          Summary: backprojection and confidence intervals of backprevalence
         therefore adding the number of years needed to converge. (The  
         prevalence in any alive state shold sum to one  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: temporary save for backprojection
   
 2015-09-22  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
   
         * imach.c:  2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         Summary: Adding some overall graph on contribution to likelihood. Might change  
           * imach.c: Summary: imach 0.99r13 Some bugs fixed
 2015-09-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Labels in graphs
         * Makefile: *** empty log message ***  
   2017-04-24  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r0  
           * imach.c: Summary: to save
         - Some new graphs like suvival functions  
         - Some bugs fixed like model=1+age+V2.  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
   
         * ChangeLog, Makefile: Summary: 0.98r0          * imach.c: *** empty log message ***
   
         * CMakeLists.txt: Summary: Some tests for setup.iss  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
   
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  2017-04-04  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>          * imach.c: Summary: Gnuplot indexations fixed (humm)
   
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.          * imach.c:
           Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
   2017-04-03  Brouard Nicolas  <brouard@ined.fr>
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)  
           * imach.c: Summary: Version 0.99r12
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>          Some cleanings, conformed with updated documentation.
   
         * imach.c (Module): Merging 1.61 to 1.162  2017-03-30  Brouard Nicolas  <brouard@ined.fr>
   
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>          * version.h: *** empty log message ***
   
         * prevlim.h (Module):          * version.h: Summary:0.99r11
   
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  2017-03-29  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...          * imach.c: Summary: Temp
         (Module): Version 0.98nR Running ok, but output format still only works for three covariates.  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
 2010-04-29  brouard  <brouard@ined.fr>  
           * imach.c: Summary: Temporary
         * imach.c (Module): Checking covariates for more complex models  
         than V1+V2. A lot of change to be done. Unstable.  2017-03-08  Brouard Nicolas  <brouard@ined.fr>
   
 2010-04-26  brouard  <brouard@ined.fr>          * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
   
         * imach.c (Module): merging some libgsl code. Fixing computation          * imach.c: Summary: Fixing data parameter line
         of likelione (using inter/intrapolation if mle = 0) in order to  
         get same likelihood as if mle=1.  2016-12-15  Brouard Nicolas  <brouard@ined.fr>
         Some cleaning of code and comments added.  
           * imach.c: Summary: 0.99 in progress
 2009-10-29  brouard  <brouard@ined.fr>  
   2016-09-15  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.  
           * imach.c: *** empty log message ***
 2006-06-30  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: not working
         * imach.c (Module): Clarifications on computing e.j  
   2016-09-08  Brouard Nicolas  <brouard@ined.fr>
 2006-04-28  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: continue
         * imach.c (Module): Yes the sum of survivors was wrong since  
         imach-114 because nhstepm was no more computed in the age  2016-09-07  Brouard Nicolas  <brouard@ined.fr>
         loop. Now we define nhstepma in the age loop.  
         (Module): In order to speed up (in case of numerous covariates) we          * imach.c: Summary: Starting values from frequencies
         compute health expectancies (without variances) in a first step  
         and then all the health expectancies with variances or standard          * imach.c: *** empty log message ***
         deviation (needs data from the Hessian matrices) which slows the  
         computation.  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
         In the future we should be able to stop the program is only health  
         expectancies and graph are needed without standard deviations.          * imach.c: *** empty log message ***
   
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  2016-08-30  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.iss (Module):          * imach.c: Summary: Fixing a lots
   
         * imach.c (Module): bugs in evsi + population file added in htm output file  2016-08-29  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: gnuplot problem in Back projection to fix
   
         * imach.c (Module):          * imach.c: Summary: Better
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>  2016-08-26  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): <title> changed, corresponds to .htm file          * imach.c:
         name. <head> headers where missing.          Summary: Improvement in Powell output in order to copy and paste
   
         * Makefile (Module): 0.98g          * imach.c: Summary: Starting tests of 0.99
   
         * imach.c (Module): Weights can have a decimal point as for          * imach.c: Summary: to valgrind
         English (a comma might work with a correct LC_NUMERIC environment,  
         otherwise the weight is truncated).  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
         Modification of warning when the covariates values are not 0 or  
         1.          * imach.c: *** empty log message ***
         Version 0.98g  
   2016-08-23  Brouard Nicolas  <brouard@ined.fr>
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           * imach.c: *** empty log message ***
         * imach.c (Module): Comments concerning covariates added  
           * imach.c: Summary: not working
         * noreg-setup.iss (Module): Version 0.98f  
   2016-08-22  Brouard Nicolas  <brouard@ined.fr>
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup  
           * imach.c: Summary: not working
         * imach.c (Module): refinements in the computation of lli if  
         status=-2 in order to have more reliable computation if stepm is          * imach.c: Summary: Not working
         not 1 month. Version 0.98f  
   2016-07-23  Brouard Nicolas  <brouard@ined.fr>
 2006-03-15  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Completing for func too
         * imach.c (Module): Bug if status = -2, the loglikelihood was  
         computed as likelihood omitting the logarithm. Version O.98e  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Fixing some arrays, still debugging
   
         * imach.c (Module): varevsij Comments added explaining the second  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.          * imach.c:
         (Module): Function pstamp added          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
         (Module): Version 0.98d  
   2016-07-12  Brouard Nicolas  <brouard@ined.fr>
 2006-03-06  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temp
         * imach.c (Module): Variance-covariance wrong links and  
         varian-covariance of ej. is needed (Saito).          * imach.c: Summary: saving but not running
   
 2006-02-27  Brouard Nicolas  <brouard@localhost>  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): One freematrix added in mlikeli!          * imach.c: Summary: Fixes
   
 2006-02-26  Brouard Nicolas  <brouard@localhost>  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Some improvements in processing parameter          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
         filename with strsep.  
           * setup.iss, Makefile, version.h: *** empty log message ***
 2006-02-24  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temporary
         * imach.c (Module): Memory leaks checks with valgrind and:  
         datafile was not closed, some imatrix were not freed and on matrix  2016-02-17  Brouard Nicolas  <brouard@ined.fr>
         allocation too.  
           * imach.c: Summary: Probably last 0.98 stable version 0.98r6
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
   2016-02-16  Brouard Nicolas  <brouard@ined.fr>
         * strsep.c (Module): Inclusion because not in mingw32!!!  
           * imach.c: Summary: minor bug
         * setup.iss.in (Module): IMACHSETUPVERSION added  
           * imach.c: Summary: 0.99r2
         * noreg-setup.iss (Module): added to cvs tree  
   2016-02-15  Brouard Nicolas  <brouard@ined.fr>
         * Makefile (Module): IMACHSETUPVERSION added  
           * imach.c: *** empty log message ***
 2006-01-30  BROUARD Nicolas  <brouard@localhost>  
   2016-02-12  Brouard Nicolas  <brouard@ined.fr>
         * Makefile (Module, Module): Latest Makefile  
           * imach.c: Summary: 0.99 Back projections
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe  
   2015-12-23  Brouard Nicolas  <brouard@ined.fr>
 2006-01-27  BROUARD Nicolas  <brouard@localhost>  
           * imach.c: Summary: Experimental backcast
         * noreg-setup.iss (Module): ADDED  
   2015-12-18  Brouard Nicolas  <brouard@ined.fr>
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  
           * imach.c: Summary: 0.98r4 Warning and status=-2
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.  
           Version 0.98r4 is now:
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>           - displaying an error when status is -1, date of interview unknown and date of death known;
            - permitting a status -2 when the vital status is unknown at a known date of right truncation.
         * Makefile (Module): Added Imach98.pmsp and howto crete a dmg          Older changes concerning s=-2, dating from 2005 have been supersed.
   
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X          * Makefile: *** empty log message ***
   
 2005-09-30    <lievre@PC_00595>  2015-12-16  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.          * Makefile: *** empty log message ***
         (Module): If the status is missing at the last wave but we know  
         that the person is alive, then we can code his/her status as -2          * imach.c: Summary: 0.98r4 working
         (instead of missing=-1 in earlier versions) and his/her  
         contributions to the likelihood is 1 - Prob of dying from last          * Makefile: Summary: linuxrpm added
         health status (= 1-p13= p11+p12 in the easiest case of somebody in  
         the healthy state at last known wave). Version is 0.98          * Makefile: *** empty log message ***
   
 2004-05-20  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: temporary not working
   
         * imach.c (Repository):  2015-12-11  Brouard Nicolas  <brouard@ined.fr>
         Agnes added a direct estimation of mortality (without the need of  
         computing period prevalence and differential mortality). Thus here          * imach.c: Summary: 0.98r4
         is version 0.97a which has been distributed to some people at  
         REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of  2015-12-08  Brouard Nicolas  <brouard@ined.fr>
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need          * Makefile: *** empty log message ***
         interpolation because it is easy to get the lx from the force of  
         the mortality mux in the simplest case as for a Gompertz (log mux  2015-11-21  Brouard Nicolas  <brouard@ined.fr>
         = a + b*x . But we have been able to incorporate the new code  
         within former imach program (0.96d) without deteriorating too much          * Makefile:
         the understanding of the program.          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
   
 2003-06-25    <brouard@BROUARD>          * imach.c: Summary: minor typo
   
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't          * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
         exist so I changed back to asctime which exists.  
         (Module): Version 0.96b          Author: Nicolas Brouard
   
 2003-06-24    <brouard@BROUARD>  2015-11-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Some bugs corrected for windows. Also, when          * imach.c: Summary: Start working on projected prevalences
         mle=-1 a template is output in file "or"mypar.txt with the design  
         of the covariance matrix to be input.  2015-11-17  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-25  Brouard Nicolas  <brouard@homebrou>          * imach.c: Summary: Adding ftolpl parameter
           Author: N Brouard
         * imach.c (Repository): Duplicated warning errors corrected.  
         (Repository): Elapsed time after each iteration is now output. It          We had difficulties to get smoothed confidence intervals. It was due
         helps to forecast when convergence will be reached. Elapsed time          to the period prevalence which wasn't computed accurately. The inner
         is stamped in powell.  We created a new html file for the graphs          parameter ftolpl is now an outer parameter of the .imach parameter
         concerning matrix of covariance. It has extension -cov.htm.          file after estepm. If ftolpl is small 1.e-4 and estepm too,
           computation are long.
 2003-06-23  Brouard Nicolas  <brouard@homebrou>  
           * version.h: *** empty log message ***
         * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.  
           * imach.c: Summary: temporary
 2003-06-18  Brouard Nicolas  <brouard@homebrou>  
   2015-10-27  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96  
           * Makefile: *** empty log message ***
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
           * setup.iss.in: Summary: some new subdirs
   
         * imach.c (Repository): Check when date of death was earlier that          * imach.c: *** empty log message ***
         current date of interview. It may happen when the death was just  
         prior to the death. In this case, dh was negative and likelihood          * setup.iss.in:
         was wrong (infinity). We still send an "Error" but patch by          Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
         assuming that the date of death was just one stepm after the  
         interview.  2015-10-24  Brouard Nicolas  <brouard@ined.fr>
         (Repository): Because some people have very long ID (first column)  
         we changed int to long in num[] and we added a new lvector for          * imach.c: *** empty log message ***
         memory allocation. But we also truncated to 8 characters (left  
         truncation)  2015-10-23  Brouard Nicolas  <brouard@ined.fr>
   
         (Repository): No more line truncation errors.          * imach.c:
           Summary: 0.98r3 some clarification for graphs on likelihood contributions
 2003-06-14  Brouard Nicolas  <brouard@homebrou>  
   2015-10-01  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Repository): Add of a routine likelione (likelihood  
         only once) which prints on a text file          * imach.c: Summary: Some new graphs of contribution to likelihood
         (ilk) the contributions to the likelihood for each  
         individual/wave.  2015-09-30  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          * Makefile:
         * imach.c (Repository): Replace "freqsummary" at a correct          Summary: Version read from version.h, itself read with cmake
         place. It differs from routine "prevalence" which may be called  
         many times. Probs is memory consuming and must be used with          * imach.c: Summary: looking at better estimation of the hessian
         parcimony.  
           Also a better criteria for convergence to the period prevalence And
 2003-06-17    <brouard@BROUARD>          therefore adding the number of years needed to converge. (The
           prevalence in any alive state shold sum to one
         * timeval.h (Module): Added included file to make use of  
         gettimeofday working on win32 with cygwin.          * Makefile: *** empty log message ***
   
 2003-05-16  Brouard Nicolas  <brouard@brouard>  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Insert of a warning if the delay between two  
         waves is negative.          * imach.c:
           Summary: Adding some overall graph on contribution to likelihood. Might change
         * imach.c (Module):  
   2015-09-15  Brouard Nicolas  <brouard@ined.fr>
 2003-05-03    <brouard@BROUARD>  
           * Makefile: *** empty log message ***
         * imach.c: Some cleaning  
           * imach.c: Summary: 0.98r0
 2003-03-28    <brouard@BROUARD>  
         * imach.c (Module): In version up to 0.92 likelihood was computed          - Some new graphs like survival functions
         as if date of death was unknown. Death was treated as any other          - Some bugs fixed like model=1+age+V2.
         health state: the date of the interview describes the actual state  
         and not the date of a change in health state. The former idea was          * ChangeLog, Makefile: Summary: 0.98r0
         to consider that at each interview the state was recorded  
         (healthy, disable or death) and IMaCh was corrected; but when we          * CMakeLists.txt: Summary: Some tests for setup.iss
         introduced the exact date of death then we should have modified  
         the contribution of an exact death to the likelihood. This new  2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         contribution is smaller and very dependent of the step unit  
         stepm. It is no more the probability to die between last interview          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
         and month of death but the probability to survive from last  
         interview up to one month before death multiplied by the  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
         probability to die within a month. Thanks to Chris  
         Jackson for correcting this bug.  Former versions increased          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         mortality artificially. The bad side is that we add another loop  
   2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
   
         which slows down the processing. The difference can be up to 10%          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
   
   2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         lower mortality.  
           * imach.c (Module): Merging 1.61 to 1.162
   
   2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
   
           * prevlim.h (Module): 
 2002-05-30    <brouard@BROUARD>  
   2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
   
           * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
           (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
   
         *  2010-04-29  brouard  <brouard@ined.fr>
   
           * imach.c (Module): Checking covariates for more complex models
           than V1+V2. A lot of change to be done. Unstable.
   
   2010-04-26  brouard  <brouard@ined.fr>
         * imach.c (Module): Add correlation matrix of one-step  
           * imach.c (Module): merging some libgsl code. Fixing computation
           of likelione (using inter/intrapolation if mle = 0) in order to
         probabilities and covariance matrix          get same likelihood as if mle=1.
           Some cleaning of code and comments added.
   
   2009-10-29  brouard  <brouard@ined.fr>
   
           * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.
   
   2006-06-30  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Clarifications on computing e.j
   
   2006-04-28  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Yes the sum of survivors was wrong since
           imach-114 because nhstepm was no more computed in the age
           loop. Now we define nhstepma in the age loop.
           (Module): In order to speed up (in case of numerous covariates) we
           compute health expectancies (without variances) in a first step
           and then all the health expectancies with variances or standard
           deviation (needs data from the Hessian matrices) which slows the
           computation.
           In the future we should be able to stop the program is only health
           expectancies and graph are needed without standard deviations.
   
   2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.iss (Module): 
   
           * imach.c (Module): bugs in evsi + population file added in htm output file
   
   2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.c (Module): 
   
   2006-03-20  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): <title> changed, corresponds to .htm file
           name. <head> headers where missing.
   
           * Makefile (Module): 0.98g
   
           * imach.c (Module): Weights can have a decimal point as for
           English (a comma might work with a correct LC_NUMERIC environment,
           otherwise the weight is truncated).
           Modification of warning when the covariates values are not 0 or
           1. 
           Version 0.98g
   
   2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.c (Module): Comments concerning covariates added
   
           * noreg-setup.iss (Module): Version 0.98f
   
           * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup
   
           * imach.c (Module): refinements in the computation of lli if
           status=-2 in order to have more reliable computation if stepm is
           not 1 month. Version 0.98f
   
   2006-03-15  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Bug if status = -2, the loglikelihood was
           computed as likelihood omitting the logarithm. Version O.98e
   
   2006-03-14  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): varevsij Comments added explaining the second
           table of variances if popbased=1 .
           (Module): Covariances of eij, ekl added, graphs fixed, new html link.
           (Module): Function pstamp added
           (Module): Version 0.98d 
   
   2006-03-06  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Variance-covariance wrong links and
           varian-covariance of ej. is needed (Saito).
   
   2006-02-27  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): One freematrix added in mlikeli!
   
   2006-02-26  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Some improvements in processing parameter
           filename with strsep.
   
   2006-02-24  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Memory leaks checks with valgrind and:
           datafile was not closed, some imatrix were not freed and on matrix
           allocation too.
   
   2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * strsep.c (Module): Inclusion because not in mingw32!!!
   
           * setup.iss.in (Module): IMACHSETUPVERSION added
   
           * noreg-setup.iss (Module): added to cvs tree
   
           * Makefile (Module): IMACHSETUPVERSION added
   
   2006-01-30  BROUARD Nicolas  <brouard@localhost>
   
           * Makefile (Module, Module): Latest Makefile
   
           * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe
   
   2006-01-27  BROUARD Nicolas  <brouard@localhost>
   
           * noreg-setup.iss (Module): ADDED
   
   2006-01-24  BROUARD Nicolas  <brouard@localhost>
   
           * imach.c (Module): Comments (lines starting with a #) are allowed in data.
   
   2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>
   
           * Makefile (Module): Added Imach98.pmsp and howto crete a dmg
   
           * createdmg.sh (Module): Creates a dmg disk for MaC OS/X
   
   2005-09-30    <lievre@PC_00595>
   
           * imach.c (Module): sump fixed, loop imx fixed, and simplifications.
           (Module): If the status is missing at the last wave but we know
           that the person is alive, then we can code his/her status as -2
           (instead of missing=-1 in earlier versions) and his/her
           contributions to the likelihood is 1 - Prob of dying from last
           health status (= 1-p13= p11+p12 in the easiest case of somebody in
           the healthy state at last known wave). Version is 0.98 
   
   2004-05-20  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Repository): 
           Agnes added a direct estimation of mortality (without the need of
           computing period prevalence and differential mortality). Thus here
           is version 0.97a which has been distributed to some people at
           REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of
           mortality using covariates is not done today. Estimating direct
           mortality is a very different process because it doesn't need
           interpolation because it is easy to get the lx from the force of
           the mortality mux in the simplest case as for a Gompertz (log mux
           = a + b*x . But we have been able to incorporate the new code
           within former imach program (0.96d) without deteriorating too much
           the understanding of the program. 
   
   2003-06-25    <brouard@BROUARD>
   
           * imach.c (Module): On windows (cygwin) function asctime_r doesn't
           exist so I changed back to asctime which exists.
           (Module): Version 0.96b
   
   2003-06-24    <brouard@BROUARD>
   
           * imach.c (Module): Some bugs corrected for windows. Also, when
           mle=-1 a template is output in file "or"mypar.txt with the design
           of the covariance matrix to be input.
   
   2003-06-25  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Duplicated warning errors corrected.
           (Repository): Elapsed time after each iteration is now output. It
           helps to forecast when convergence will be reached. Elapsed time
           is stamped in powell.  We created a new html file for the graphs
           concerning matrix of covariance. It has extension -cov.htm.
   
   2003-06-23  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.
   
   2003-06-18  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96
   
   2003-06-17  Brouard Nicolas  <brouard@homebrou>
   
   
           * imach.c (Repository): Check when date of death was earlier that
           current date of interview. It may happen when the death was just
           prior to the death. In this case, dh was negative and likelihood
           was wrong (infinity). We still send an "Error" but patch by
           assuming that the date of death was just one stepm after the
           interview.
           (Repository): Because some people have very long ID (first column)
           we changed int to long in num[] and we added a new lvector for
           memory allocation. But we also truncated to 8 characters (left
           truncation)
   
           (Repository): No more line truncation errors.
   
   2003-06-14  Brouard Nicolas  <brouard@homebrou>
   
           * imach.c (Repository): Add of a routine likelione (likelihood
           only once) which prints on a text file
           (ilk) the contributions to the likelihood for each
           individual/wave.
   
   2003-06-13  Brouard Nicolas  <brouard@homebrou>
           * imach.c (Repository): Replace "freqsummary" at a correct
           place. It differs from routine "prevalence" which may be called
           many times. Probs is memory consuming and must be used with
           parcimony.
   
   2003-06-17    <brouard@BROUARD>
   
           * timeval.h (Module): Added included file to make use of
           gettimeofday working on win32 with cygwin.
   
   2003-05-16  Brouard Nicolas  <brouard@brouard>
           * imach.c (Module): Insert of a warning if the delay between two
           waves is negative.
   
           * imach.c (Module): 
   
   2003-05-03    <brouard@BROUARD>
   
           * imach.c: Some cleaning
   
   2003-03-28    <brouard@BROUARD>
           * imach.c (Module): In version up to 0.92 likelihood was computed
           as if date of death was unknown. Death was treated as any other
           health state: the date of the interview describes the actual state
           and not the date of a change in health state. The former idea was
           to consider that at each interview the state was recorded
           (healthy, disable or death) and IMaCh was corrected; but when we
           introduced the exact date of death then we should have modified
           the contribution of an exact death to the likelihood. This new
           contribution is smaller and very dependent of the step unit
           stepm. It is no more the probability to die between last interview
           and month of death but the probability to survive from last
           interview up to one month before death multiplied by the
           probability to die within a month. Thanks to Chris
           Jackson for correcting this bug.  Former versions increased
           mortality artificially. The bad side is that we add another loop
           which slows down the processing. The difference can be up to 10%
           lower mortality.
   
   2002-05-30    <brouard@BROUARD>
   
           * imach.c (Module): Add correlation matrix of one-step
           probabilities and covariance matrix
   
Removed from v.1.41  
changed lines
  Added in v.1.72

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