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version 1.41, 2021/02/11 19:49:33 version 1.70, 2024/05/12 20:28:58
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 2021-02-11  Nicolas J Brouard   <nbrouard@mac02049.local>  2024-05-12  Nicolas Brouard   <brouard@ined.fr>
   
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          * imach.c Version 0.99s5 In fact, the covariance of total life
           expectancy e.. with a partial life expectancy e.j is high,
 2020-02-22  Brouard Nicolas  <brouard@brouard.name>          therefore the complete matrix of variance covariance has to be
           included in the formula of the standard error of the proportion of
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy          total life expectancy spent in a specific state:
         and life table from the data without any state)          var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
           sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
 2019-05-20  Brouard Nicolas  <brouard@brouard.name>          made the program core dump. It is fixed in this version.
   
         * version.h: Summary: version 0.99.r19  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Projection syntax simplified          * (Module): In version 0.99s4, we incorporated the calculation of
         We can now start projections, forward or backward, from the mean date          the std error of the proportion of total life expectancy spent in
         of inteviews up to or down to a number of years of projection:          a specific state Var(e.j/e..) using the formula of Var(X/Y)
         prevforecast=1 yearsfproj=15.3 mobil_average=0          depending only of the variances of X and Y and expectancies.
         or  
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0  2024-04-24  Nicolas Brouard   <brouard@ined.fr>
         or  
         prevbackcast=1 yearsbproj=12.3 mobil_average=1          * (Module): This version comes late after having tested
         or          successfully the praxis C version of Buckhardt.  But Buckardt's
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1          version was difficult to read and Gegenfurtner's version had a few
           typos which made its results less reliable than Buckhardt's
 2019-05-18  Brouard Nicolas  <brouard@brouard.name>          results.  The most important work consisted in retyping the Brent
           original PRAXIS program written in Algol W (published with errors,
         * imach.c: Summary: doxygen tex bug          ommitting the transposition of matrix V before its QR reduction
           from Golub. I used the recent "awe" compiler from Gkynn Webster.
 2019-05-16  Brouard Nicolas  <brouard@brouard.name>          The awe library had errors, for example in arc tangent function
           which have been fixed.
         * imach.c: Summary: There was some wrong lines added  
           The main objective was to get identical results with the three
 2019-05-09  Brouard Nicolas  <brouard@brouard.name>          versions: (1) Algol W, (2) Buckhardt'C version as well (3)
           Gegenfürtner C versions on the various test functions published by
         * Makefile, imach.c: *** empty log message ***          Brent in 1973 in Algol W.
   
         * ChangeLog: Summary: C=          Also, in order to compare them, the random function had to produce
           the same sequence for the 3 softwares. The random function used in
         * imach.c: Summary: Some updates          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: Before ncovmax          '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
         * version.h: *** empty log message ***          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
         * imach.c: Summary: 0.99r18 unlimited number of individuals          code are hesitating by changing either a loop originally from 1 to
         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.          n in a loop from 0 to n-1, or keeping Brent's loop from 1 to n and
           shifting the index from original X(I) in Algol W to x[i-1] in C.
 2018-12-13  Brouard Nicolas  <brouard@brouard.name>          But as IMaCh is using, since the beginning, the Numerical Recipes
           functions vector or matrix, I changed Geggenfürtner code to mimick
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          the original Algol W arrays. Thus the X(I) is translated in C as
           x[i] which minimizes the errors. The Golub QR algorithm was
 2018-12-05  Brouard Nicolas  <brouard@brouard.name>          published in Algol with overflow errors which were reproduced in
           Brent's Algol W code. Buckhardt code fixed these errors which are
         * Makefile: Summary: 0.99r16          much more problematic in C than in Algol W.  Thus Buckhardt code
           seems very safe, but i haven't chosen it for IMaCh because the C
 2018-05-02  Brouard Nicolas  <brouard@brouard.name>          style is horrible and almost unreadable compared to Gegenfürtner
           CO code which is very close to Brent's original. Also what makes
         * imach.c: Summary: Some bugs fixed          Buckhardt code more difficult to read is, instead of passing the
           minimum of parameters in the functions calls, as it is in Algol
 2018-05-02  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          Brent's code or Gegenfürtner's code, the list of parameters is
           high. For example, the flin function LONG REAL PROCEDURE FLIN
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17          (LONG REAL VALUE L) has only one parameter in Algol W, the
           Gegenfürtner flin function had two parameters: static double
 2018-05-02  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 bugs fixed          useless. Gegenfürtner used a lot of static variables or functions
           which I tried to minimize. Also in Gegefürtner, array dimensions
 2018-05-01  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.
         * imach.c:  
         Summary: Bug fixed by providing frequencies only for non missing covariates  2023-06-14  Nicolas Brouard   <brouard@ined.fr>
   
 2018-04-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Testing if conjugate gradient could be quicker
           when lot of variables POWELLORIGINCONJUGATE
         * imach.c: Summary: some minor bugs  
   2023-05-23  Nicolas Brouard   <brouard@ined.fr>
 2018-04-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Fixed PROB_r 
         * README.txt: *** empty log message ***  
   2023-05-22  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some bugs fixed, valgrind tested  
           * imach.c (Module): In the ILK....txt file, the number of columns
 2018-04-20  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
   
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16  2023-05-08  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          *  (Module): Error V0 when result:. and model 1+age+V1: fixed
         Summary: Computing mean and stdeviation of fixed quantitative variables  
   2023-04-29  Nicolas Brouard  <brouard@ined.fr>
 2018-04-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Inverting the model equation and fixingg bugs
         * imach.c: Summary: Some minor bugs fixed          in the drawings
           "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"
         * version.h: *** empty log message ***  
   2023-04-24  Nicolas Brouard  <brouard@ined.fr>
 2018-02-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): some bugs in printinggnuplot 
         * imach.c: *** empty log message ***  
   2022-09-19  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Adding second argument for quitting  
           * imach.c (Module): Version 0.99r42 needed a newer version of
 2018-02-21  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.
         * Makefile, README.txt, imach.c: Summary: 0.99r15  
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c  2022-09-18  Nicolas Brouard   <brouard@ined.fr>
   
 2017-07-20  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Fixing when a state in the data is 0 or higher
           than lstate+ndeath. Fixing the plot of contribution to Likelihood.
         * imach.c: Summary: temporary working  
   2022-09-16  Nicolas Brouard   <brouard@ined.fr>
 2017-07-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * 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: Bug for mobil_average=0 and prevforecast fixed(?)  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
 2017-07-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
         * imach.c: Summary: BOM files can be read now  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
 2017-06-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Version 0.99r39 with colored dummy covariates
         * imach.c: Summary: Graphs improvements          (fixed or time varying), using new last columns of
           ILK_parameter.txt file.
         * imach.c: Summary: Saito's color  
   2022-09-11  Nicolas Brouard   <brouard@ined.fr>
 2017-06-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Adding timevarying products of any kinds,
         * imach.c: Summary: Version 0.99r14          should work before shifting cotvar from ncovcol+nqv columns in
           order to have a correspondance between the column of cotvar and
 2017-06-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          the id of column.
           (Module): Some cleaning and adding covariates in ILK.txt
         * imach.c: Summary: More documentation on projections  
   2022-09-09  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)  
           * imach.c (Module): Many improvements for fixing products of fixed
         * imach.c: Summary: Some bug with rint          timevarying as well as fixed * fixed, and test with quantitative
           covariate.
 2017-05-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-09-04  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c (Module): Now the easy runs i.e. without result or
 2017-05-23  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: Code into subroutine, cleanings  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
 2017-05-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Version 0.99r35 because it outputs same results with
         * imach.c:          1+age+V1+V1*age for females and 1+age for females only
         Summary: backprojection and confidence intervals of backprevalence          (education=1 noweight)
   
 2017-05-13  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-08-31  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: temporary save for backprojection          * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
   
         * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)  2022-08-21  Nicolas Brouard   <brouard@ined.fr>
   
 2017-04-26  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Version 0.99r33 A lot of changes in
           reassigning covariates: my first idea was that people will always
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          use the first covariate V1 into the model but in fact they are
           producing data with many covariates and can use an equation model
         * imach.c: Summary: Labels in graphs          with some of the covariate; it means that in a model V2+V3 instead
           of codtabm(k,Tvaraff[j]) which calculates for combination k, for
 2017-04-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
           the equation model is restricted to two variables only (V2, V3)
         * imach.c: Summary: to save          and the combination for V2 should be codtabm(k,1) instead of
           (codtabm(k,2), and the code should be
 2017-04-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
           made. All of these should be simplified once a day like we did in
         * imach.c: *** empty log message ***          hpxij() for example by using precov[nres] which is computed in
           decoderesult for each nres of each resultline. Loop should be done
 2017-04-05  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          on the equation model globally by distinguishing only product with
           age (which are changing with age) and no more on type of
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1          covariates, single dummies, single covariates. 
   
 2017-04-04  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Gnuplot indexations fixed (humm)          *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
   
         * imach.c:  2022-08-03  Nicolas Brouard   <brouard@ined.fr>
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3  
           *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
 2017-04-03  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-07-25  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Version 0.99r12  
         Some cleanings, conformed with updated documentation.          * imach.c (Module): Error cptcovn instead of nsd in bmij (was
           coredumped, revealed by Feiuno, thank you.
 2017-03-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-07-23  Nicolas Brouard   <brouard@ined.fr>
         * version.h: *** empty log message ***  
           * r29 W and not sqrt(Wald)
         * version.h: Summary:0.99r11  
   2022-07-22  Nicolas Brouard   <brouard@ined.fr>
 2017-03-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
         * imach.c: Summary: Temp  
   2022-06-02  Brouard Nicolas  <brouard@brouard.name>
 2017-03-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c (Module): Adding the Wald tests from the log to the main
         * imach.c: Summary: Temporary          htm for better display of the maximum likelihood estimators.
   
 2017-03-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-05-30  Brouard Nicolas  <brouard@brouard.name>
   
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed          * imach.c: With products of covariates (age or dummies or
           quantitatives), estimates of parameters were good but when
         * imach.c: Summary: Fixing data parameter line          estimating variances the positions of newly created covariates
           were wrongly assigned and results were wrong. Thank to Feinua_Sun!
 2016-12-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2022-05-24  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: 0.99 in progress  
           * imach.c (Module): Some attempts to find a bug of wrong estimates
 2016-09-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          of confidencce intervals with product in the equation modelC
   
         * imach.c: *** empty log message ***  2022-05-15  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: not working          * imach.c (Module):  Some minor improvements
   
 2016-09-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-04-13  Brouard Nicolas  <brouard@brouard.name>
   
         * imach.c: Summary: continue          * imach.c (Module): Adding link to text data files
   
 2016-09-07  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2022-04-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Starting values from frequencies          * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
   
         * imach.c: *** empty log message ***  2022-04-05  Brouard Nicolas  <brouard@ined.fr>
   
 2016-09-02  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c (Module): Fixed covariates (dummy or quantitative)
           with missing values have never been allowed but are ERRORS and
         * imach.c: *** empty log message ***          program quits. Standard deviations of fixed covariates were
           wrongly computed. Mean and standard deviations of time varying
 2016-08-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          covariates are still not computed.
   
         * imach.c: Summary: Fixing a lots  2022-03-17  Brouard Nicolas  <brouard@ined.fr>
   
 2016-08-29  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * 99r25 Improvements in fixing discrepancies between covariates
           missing in result line but in model. 
         * imach.c: Summary: gnuplot problem in Back projection to fix  
   *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Better          * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
   
 2016-08-26  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          * ./ (Module): Fixed bug on result:
         Summary: Improvement in Powell output in order to copy and paste  
   *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Starting tests of 0.99  
           * imach.c (Module): Fix bug on quitting after result lines!
         * imach.c: Summary: to valgrind          (Module): Version 0.99r21
   
 2016-08-25  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2021-02-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): The use of a Windows BOM (huge) file is now an error
   
 2016-08-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
         * imach.c: Summary: not working  
   2020-02-22  Brouard Nicolas  <brouard@ined.fr>
 2016-08-22  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           *  (Module): imach.c Update mle=-3 (for computing Life expectancy
         * imach.c: Summary: not working          and life table from the data without any state)
   
         * imach.c: Summary: Not working  2019-05-20  Brouard Nicolas  <brouard@ined.fr>
   
 2016-07-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * version.h: Summary: version 0.99.r19
   
         * imach.c: Summary: Completing for func too          * imach.c: Summary: Projection syntax simplified
           We can now start projections, forward or backward, from the mean date
 2016-07-22  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: Fixing some arrays, still debugging          or
           prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
 2016-07-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          or
           prevbackcast=1 yearsbproj=12.3 mobil_average=1
         * imach.c:          or
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
   
 2016-07-12  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2019-05-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: temp          * imach.c: Summary: doxygen tex bug
   
         * imach.c: Summary: saving but not running  2019-05-16  Brouard Nicolas  <brouard@ined.fr>
   
 2016-07-01  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: Summary: There was some wrong lines added
   
         * imach.c: Summary: Fixes  2019-05-09  Brouard Nicolas  <brouard@ined.fr>
   
 2016-02-19  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * Makefile, imach.c: *** empty log message ***
   
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7          * ChangeLog: Summary: C=
   
         * setup.iss, Makefile, version.h: *** empty log message ***          * imach.c: Summary: Some updates
   
         * imach.c: Summary: temporary          * imach.c: Summary: Before ncovmax
   
 2016-02-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * version.h: *** empty log message ***
   
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6          * 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.
 2016-02-16  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2018-12-13  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: minor bug  
           * imach.c: Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: 0.99r2  
   2018-12-05  Brouard Nicolas  <brouard@ined.fr>
 2016-02-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * Makefile: Summary: 0.99r16
         * imach.c: *** empty log message ***  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2016-02-12  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Some bugs fixed
         * imach.c: Summary: 0.99 Back projections  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2015-12-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c:  Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: Experimental backcast  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2015-12-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Some bugs fixed
         * imach.c: Summary: 0.98r4 Warning and status=-2  
   2018-05-01  Brouard Nicolas  <brouard@ined.fr>
         Version 0.98r4 is now:  
          - displaying an error when status is -1, date of interview unknown and date of death known;          * imach.c:
          - permitting a status -2 when the vital status is unknown at a known date of right truncation.          Summary: Bug fixed by providing frequencies only for non missing covariates
         Older changes concerning s=-2, dating from 2005 have been supersed.  
   2018-04-27  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: some minor bugs
 2015-12-16  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
   2018-04-21  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * README.txt: *** empty log message ***
         * imach.c: Summary: 0.98r4 working  
           * imach.c: Summary: Some bugs fixed, valgrind tested
         * Makefile: Summary: linuxrpm added  
   2018-04-20  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
         * imach.c: Summary: temporary not working  
           * imach.c:
 2015-12-11  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          Summary: Computing mean and stdeviation of fixed quantitative variables
   
         * imach.c: Summary: 0.98r4  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
 2015-12-08  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: Summary: Some minor bugs fixed
   
         * Makefile: *** empty log message ***          * version.h: *** empty log message ***
   
 2015-11-21  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile:          * imach.c: *** empty log message ***
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  
           * imach.c: Summary: Adding second argument for quitting
         * imach.c: Summary: minor typo  
   2018-02-21  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional  
           * Makefile, README.txt, imach.c: Summary: 0.99r15
         Author: Nicolas Brouard          New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
   
 2015-11-18  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-07-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Start working on projected prevalences          * imach.c: Summary: temporary working
   
 2015-11-17  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-07-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Adding ftolpl parameter          * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
         Author: N Brouard  
   2017-07-17  Brouard Nicolas  <brouard@ined.fr>
         We had difficulties to get smoothed confidence intervals. It was due  
         to the period prevalence which wasn't computed accurately. The inner          * imach.c: Summary: BOM files can be read now
         parameter ftolpl is now an outer parameter of the .imach parameter  
         file after estepm. If ftolpl is small 1.e-4 and estepm too,  2017-06-30  Brouard Nicolas  <brouard@ined.fr>
         computation are long.  
           * imach.c: Summary: Graphs improvements
         * version.h: *** empty log message ***  
           * imach.c: Summary: Saito's color
         * imach.c: Summary: temporary  
   2017-06-29  Brouard Nicolas  <brouard@ined.fr>
 2015-10-27  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: Version 0.99r14
         * Makefile: *** empty log message ***  
   2017-06-27  Brouard Nicolas  <brouard@ined.fr>
         * setup.iss.in: Summary: some new subdirs  
           * imach.c: Summary: More documentation on projections
         * imach.c: *** empty log message ***  
           * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
         * setup.iss.in:  
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts          * imach.c: Summary: Some bug with rint
   
 2015-10-24  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c: *** empty log message ***
   
 2015-10-23  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          * imach.c: Summary: Code into subroutine, cleanings
         Summary: 0.98r3 some clarification for graphs on likelihood contributions  
   2017-05-18  Brouard Nicolas  <brouard@ined.fr>
 2015-10-01  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c:
         * imach.c: Summary: Some new graphs of contribution to likelihood          Summary: backprojection and confidence intervals of backprevalence
   
 2015-09-30  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile:          * imach.c: Summary: temporary save for backprojection
         Summary: Version read from version.h, itself read with cmake  
           * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
         * imach.c: Summary: looking at better estimation of the hessian  
   2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         Also a better criteria for convergence to the period prevalence And  
         therefore adding the number of years needed to converge. (The          * imach.c: Summary: imach 0.99r13 Some bugs fixed
         prevalence in any alive state shold sum to one  
           * imach.c: Summary: Labels in graphs
         * Makefile: *** empty log message ***  
   2017-04-24  Brouard Nicolas  <brouard@ined.fr>
 2015-09-22  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>  
           * imach.c: Summary: to save
         * imach.c:  
         Summary: Adding some overall graph on contribution to likelihood. Might change  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-15  Brouard Nicolas  <brouard@brouard-antoine.homelinux.com>          * imach.c: *** empty log message ***
   
         * Makefile: *** empty log message ***  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r0          * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
   
         - Some new graphs like suvival functions  2017-04-04  Brouard Nicolas  <brouard@ined.fr>
         - Some bugs fixed like model=1+age+V2.  
           * imach.c: Summary: Gnuplot indexations fixed (humm)
         * ChangeLog, Makefile: Summary: 0.98r0  
           * imach.c:
         * CMakeLists.txt: Summary: Some tests for setup.iss          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
   
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc          * imach.c: Summary: Version 0.99r12
           Some cleanings, conformed with updated documentation.
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>  
   2017-03-30  Brouard Nicolas  <brouard@ined.fr>
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  
           * version.h: *** empty log message ***
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
           * version.h: Summary:0.99r11
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)  
   2017-03-29  Brouard Nicolas  <brouard@ined.fr>
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  
           * imach.c: Summary: Temp
         * imach.c (Module): Merging 1.61 to 1.162  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  
           * imach.c: Summary: Temporary
         * prevlim.h (Module):  
   2017-03-08  Brouard Nicolas  <brouard@ined.fr>
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  
           * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
         * 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.          * imach.c: Summary: Fixing data parameter line
   
 2010-04-29  brouard  <brouard@ined.fr>  2016-12-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Checking covariates for more complex models          * imach.c: Summary: 0.99 in progress
         than V1+V2. A lot of change to be done. Unstable.  
   2016-09-15  Brouard Nicolas  <brouard@ined.fr>
 2010-04-26  brouard  <brouard@ined.fr>  
           * imach.c: *** empty log message ***
         * imach.c (Module): merging some libgsl code. Fixing computation  
         of likelione (using inter/intrapolation if mle = 0) in order to          * imach.c: Summary: not working
         get same likelihood as if mle=1.  
         Some cleaning of code and comments added.  2016-09-08  Brouard Nicolas  <brouard@ined.fr>
   
 2009-10-29  brouard  <brouard@ined.fr>          * imach.c: Summary: continue
   
         * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.  2016-09-07  Brouard Nicolas  <brouard@ined.fr>
   
 2006-06-30  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Starting values from frequencies
   
         * imach.c (Module): Clarifications on computing e.j          * imach.c: *** empty log message ***
   
 2006-04-28  Brouard Nicolas  <brouard@localhost>  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Yes the sum of survivors was wrong since          * imach.c: *** empty log message ***
         imach-114 because nhstepm was no more computed in the age  
         loop. Now we define nhstepma in the age loop.  2016-08-30  Brouard Nicolas  <brouard@ined.fr>
         (Module): In order to speed up (in case of numerous covariates) we  
         compute health expectancies (without variances) in a first step          * imach.c: Summary: Fixing a lots
         and then all the health expectancies with variances or standard  
         deviation (needs data from the Hessian matrices) which slows the  2016-08-29  Brouard Nicolas  <brouard@ined.fr>
         computation.  
         In the future we should be able to stop the program is only health          * imach.c: Summary: gnuplot problem in Back projection to fix
         expectancies and graph are needed without standard deviations.  
           * imach.c: Summary: Better
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
   2016-08-26  Brouard Nicolas  <brouard@ined.fr>
         * imach.iss (Module):  
           * imach.c:
         * imach.c (Module): bugs in evsi + population file added in htm output file          Summary: Improvement in Powell output in order to copy and paste
   
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: Starting tests of 0.99
   
         * imach.c (Module):          * imach.c: Summary: to valgrind
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): <title> changed, corresponds to .htm file          * imach.c: *** empty log message ***
         name. <head> headers where missing.  
   2016-08-23  Brouard Nicolas  <brouard@ined.fr>
         * Makefile (Module): 0.98g  
           * imach.c: *** empty log message ***
         * imach.c (Module): Weights can have a decimal point as for  
         English (a comma might work with a correct LC_NUMERIC environment,          * imach.c: Summary: not working
         otherwise the weight is truncated).  
         Modification of warning when the covariates values are not 0 or  2016-08-22  Brouard Nicolas  <brouard@ined.fr>
         1.  
         Version 0.98g          * imach.c: Summary: not working
   
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: Not working
   
         * imach.c (Module): Comments concerning covariates added  2016-07-23  Brouard Nicolas  <brouard@ined.fr>
   
         * noreg-setup.iss (Module): Version 0.98f          * imach.c: Summary: Completing for func too
   
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): refinements in the computation of lli if          * imach.c: Summary: Fixing some arrays, still debugging
         status=-2 in order to have more reliable computation if stepm is  
         not 1 month. Version 0.98f  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-15  Brouard Nicolas  <brouard@localhost>          * imach.c:
           Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
         * imach.c (Module): Bug if status = -2, the loglikelihood was  
         computed as likelihood omitting the logarithm. Version O.98e  2016-07-12  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: temp
   
         * imach.c (Module): varevsij Comments added explaining the second          * imach.c: Summary: saving but not running
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
         (Module): Function pstamp added  
         (Module): Version 0.98d          * imach.c: Summary: Fixes
   
 2006-03-06  Brouard Nicolas  <brouard@localhost>  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Variance-covariance wrong links and          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
         varian-covariance of ej. is needed (Saito).  
           * setup.iss, Makefile, version.h: *** empty log message ***
 2006-02-27  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temporary
         * imach.c (Module): One freematrix added in mlikeli!  
   2016-02-17  Brouard Nicolas  <brouard@ined.fr>
 2006-02-26  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Probably last 0.98 stable version 0.98r6
         * imach.c (Module): Some improvements in processing parameter  
         filename with strsep.  2016-02-16  Brouard Nicolas  <brouard@ined.fr>
   
 2006-02-24  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: minor bug
   
         * imach.c (Module): Memory leaks checks with valgrind and:          * imach.c: Summary: 0.99r2
         datafile was not closed, some imatrix were not freed and on matrix  
         allocation too.  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
   
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: *** empty log message ***
   
         * strsep.c (Module): Inclusion because not in mingw32!!!  2016-02-12  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in (Module): IMACHSETUPVERSION added          * imach.c: Summary: 0.99 Back projections
   
         * noreg-setup.iss (Module): added to cvs tree  2015-12-23  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): IMACHSETUPVERSION added          * imach.c: Summary: Experimental backcast
   
 2006-01-30  BROUARD Nicolas  <brouard@localhost>  2015-12-18  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module, Module): Latest Makefile          * imach.c: Summary: 0.98r4 Warning and status=-2
   
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe          Version 0.98r4 is now:
            - displaying an error when status is -1, date of interview unknown and date of death known;
 2006-01-27  BROUARD Nicolas  <brouard@localhost>           - permitting a status -2 when the vital status is unknown at a known date of right truncation.
           Older changes concerning s=-2, dating from 2005 have been supersed.
         * noreg-setup.iss (Module): ADDED  
           * Makefile: *** empty log message ***
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  
   2015-12-16  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.  
           * Makefile: *** empty log message ***
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>  
           * imach.c: Summary: 0.98r4 working
         * Makefile (Module): Added Imach98.pmsp and howto crete a dmg  
           * Makefile: Summary: linuxrpm added
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X  
           * Makefile: *** empty log message ***
 2005-09-30    <lievre@PC_00595>  
           * imach.c: Summary: temporary not working
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.  
         (Module): If the status is missing at the last wave but we know  2015-12-11  Brouard Nicolas  <brouard@ined.fr>
         that the person is alive, then we can code his/her status as -2  
         (instead of missing=-1 in earlier versions) and his/her          * imach.c: Summary: 0.98r4
         contributions to the likelihood is 1 - Prob of dying from last  
         health status (= 1-p13= p11+p12 in the easiest case of somebody in  2015-12-08  Brouard Nicolas  <brouard@ined.fr>
         the healthy state at last known wave). Version is 0.98  
           * Makefile: *** empty log message ***
 2004-05-20  Brouard Nicolas  <brouard@localhost>  
   2015-11-21  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Repository):  
         Agnes added a direct estimation of mortality (without the need of          * Makefile:
         computing period prevalence and differential mortality). Thus here          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
         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          * imach.c: Summary: minor typo
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need          * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
         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          Author: Nicolas Brouard
         = a + b*x . But we have been able to incorporate the new code  
         within former imach program (0.96d) without deteriorating too much  2015-11-18  Brouard Nicolas  <brouard@ined.fr>
         the understanding of the program.  
           * imach.c: Summary: Start working on projected prevalences
 2003-06-25    <brouard@BROUARD>  
   2015-11-17  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't  
         exist so I changed back to asctime which exists.          * imach.c: Summary: Adding ftolpl parameter
         (Module): Version 0.96b          Author: N Brouard
   
 2003-06-24    <brouard@BROUARD>          We had difficulties to get smoothed confidence intervals. It was due
           to the period prevalence which wasn't computed accurately. The inner
         * imach.c (Module): Some bugs corrected for windows. Also, when          parameter ftolpl is now an outer parameter of the .imach parameter
         mle=-1 a template is output in file "or"mypar.txt with the design          file after estepm. If ftolpl is small 1.e-4 and estepm too,
         of the covariance matrix to be input.          computation are long.
   
 2003-06-25  Brouard Nicolas  <brouard@homebrou>          * version.h: *** empty log message ***
   
         * imach.c (Repository): Duplicated warning errors corrected.          * imach.c: Summary: temporary
         (Repository): Elapsed time after each iteration is now output. It  
         helps to forecast when convergence will be reached. Elapsed time  2015-10-27  Brouard Nicolas  <brouard@ined.fr>
         is stamped in powell.  We created a new html file for the graphs  
         concerning matrix of covariance. It has extension -cov.htm.          * Makefile: *** empty log message ***
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * setup.iss.in: Summary: some new subdirs
   
         * 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: *** empty log message ***
   
 2003-06-18  Brouard Nicolas  <brouard@homebrou>          * setup.iss.in:
           Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96  
   2015-10-24  Brouard Nicolas  <brouard@ined.fr>
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
           * imach.c: *** empty log message ***
   
         * imach.c (Repository): Check when date of death was earlier that  2015-10-23  Brouard Nicolas  <brouard@ined.fr>
         current date of interview. It may happen when the death was just  
         prior to the death. In this case, dh was negative and likelihood          * imach.c:
         was wrong (infinity). We still send an "Error" but patch by          Summary: 0.98r3 some clarification for graphs on likelihood contributions
         assuming that the date of death was just one stepm after the  
         interview.  2015-10-01  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: Summary: Some new graphs of contribution to likelihood
         memory allocation. But we also truncated to 8 characters (left  
         truncation)  2015-09-30  Brouard Nicolas  <brouard@ined.fr>
   
         (Repository): No more line truncation errors.          * Makefile:
           Summary: Version read from version.h, itself read with cmake
 2003-06-14  Brouard Nicolas  <brouard@homebrou>  
           * imach.c: Summary: looking at better estimation of the hessian
         * imach.c (Repository): Add of a routine likelione (likelihood  
         only once) which prints on a text file          Also a better criteria for convergence to the period prevalence And
         (ilk) the contributions to the likelihood for each          therefore adding the number of years needed to converge. (The
         individual/wave.          prevalence in any alive state shold sum to one
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          * Makefile: *** empty log message ***
         * imach.c (Repository): Replace "freqsummary" at a correct  
         place. It differs from routine "prevalence" which may be called  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
         many times. Probs is memory consuming and must be used with  
         parcimony.          * imach.c:
           Summary: Adding some overall graph on contribution to likelihood. Might change
 2003-06-17    <brouard@BROUARD>  
   2015-09-15  Brouard Nicolas  <brouard@ined.fr>
         * 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>          * imach.c: Summary: 0.98r0
         * imach.c (Module): Insert of a warning if the delay between two  
         waves is negative.          - Some new graphs like survival functions
           - Some bugs fixed like model=1+age+V2.
         * imach.c (Module):  
           * ChangeLog, Makefile: Summary: 0.98r0
 2003-05-03    <brouard@BROUARD>  
           * CMakeLists.txt: Summary: Some tests for setup.iss
         * imach.c: Some cleaning  
   2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
 2003-03-28    <brouard@BROUARD>  
         * imach.c (Module): In version up to 0.92 likelihood was computed          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
         as if date of death was unknown. Death was treated as any other  
         health state: the date of the interview describes the actual state  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
         and not the date of a change in health state. The former idea was  
         to consider that at each interview the state was recorded          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         (healthy, disable or death) and IMaCh was corrected; but when we  
         introduced the exact date of death then we should have modified  2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         the contribution of an exact death to the likelihood. This new  
         contribution is smaller and very dependent of the step unit          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
         stepm. It is no more the probability to die between last interview  
         and month of death but the probability to survive from last  2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         interview up to one month before death multiplied by the  
         probability to die within a month. Thanks to Chris          * imach.c (Module): Merging 1.61 to 1.162
         Jackson for correcting this bug.  Former versions increased  
         mortality artificially. The bad side is that we add another loop  2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
   
           * prevlim.h (Module): 
         which slows down the processing. The difference can be up to 10%  
   2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
   
         lower mortality.          * 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
 2002-05-30    <brouard@BROUARD>          than V1+V2. A lot of change to be done. Unstable.
   
   2010-04-26  brouard  <brouard@ined.fr>
   
           * imach.c (Module): merging some libgsl code. Fixing computation
           of likelione (using inter/intrapolation if mle = 0) in order to
         *          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.
         * imach.c (Module): Add correlation matrix of one-step  
   2006-06-30  Brouard Nicolas  <brouard@localhost>
   
         probabilities and covariance matrix          * 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.1.70

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