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version 1.46, 2022/03/15 18:40:36 version 1.73, 2024/07/02 13:25:47
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 *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>  2024-07-02  Nicolas Brouard  <brouard@ined.fr>
         * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett  
           * imach.c (Module): Trying compiling on Linux with clang (instead
 *2021-03-08  Nicolas Brouard   <brouard@ined.fr>          of gcc which is too slow) and lot of warnings suppressed
   
         * ./ (Module): Fixed bug on result:  2024-06-28  Nicolas Brouard   <brouard@ined.fr>
   
 *2021-02-20  Nicolas Brouard   <brouard@ined.fr>          * imach.c (Module): fixing some bugs in gnuplot and quantitative variables, but not completely solved
   
         * imach.c (Module): Fix bug on quitting after result lines!  2024-06-28  Nicolas Brouard  <brouard@ined.fr>
         (Module): Version 0.99r21  
           * imach.c (Module): s6 errors with age*age (harmless).
 2021-02-12  Nicolas Brouard   <brouard@ined.fr>  
   2024-05-12  Nicolas Brouard   <brouard@ined.fr>
         * imach.c (Module): The use of a Windows BOM (huge) file is now an error  
           * imach.c Version 0.99s5 In fact, the covariance of total life
           expectancy e.. with a partial life expectancy e.j is high,
 2021-02-11  Nicolas  Brouard   <brouard@ined.fr>          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 Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          total life expectancy spent in a specific state:
           var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
 2020-02-22  Brouard Nicolas  <brouard@ined.fr>          sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
           made the program core dump. It is fixed in this version.
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy  
         and life table from the data without any state)  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
   
 2019-05-20  Brouard Nicolas  <brouard@ined.fr>          * (Module): In version 0.99s4, we incorporated the calculation of
           the std error of the proportion of total life expectancy spent in
         * version.h: Summary: version 0.99.r19          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: Projection syntax simplified  
         We can now start projections, forward or backward, from the mean date  2024-04-24  Nicolas Brouard   <brouard@ined.fr>
         of inteviews up to or down to a number of years of projection:  
         prevforecast=1 yearsfproj=15.3 mobil_average=0          * (Module): This version comes late after having tested
         or          successfully the praxis C version of Buckhardt.  But Buckardt's
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          version was difficult to read and Gegenfurtner's version had a few
         or          typos which made its results less reliable than Buckhardt's
         prevbackcast=1 yearsbproj=12.3 mobil_average=1          results.  The most important work consisted in retyping the Brent
         or          original PRAXIS program written in Algol W (published with errors,
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1          ommitting the transposition of matrix V before its QR reduction
           from Golub. I used the recent "awe" compiler from Gkynn Webster.
 2019-05-18  Brouard Nicolas  <brouard@ined.fr>          The awe library had errors, for example in arc tangent function
           which have been fixed.
         * imach.c: Summary: doxygen tex bug  
           The main objective was to get identical results with the three
 2019-05-16  Brouard Nicolas  <brouard@ined.fr>          versions: (1) Algol W, (2) Buckhardt'C version as well (3)
           Gegenfürtner C versions on the various test functions published by
         * imach.c: Summary: There was some wrong lines added          Brent in 1973 in Algol W.
   
 2019-05-09  Brouard Nicolas  <brouard@ined.fr>          Also, in order to compare them, the random function had to produce
           the same sequence for the 3 softwares. The random function used in
         * Makefile, imach.c: *** empty log message ***          imach corresponds to original Brent's random function written in
           Algol W.  Other point, in Algol W, the arrays of dimension n are
         * ChangeLog: Summary: C=          '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
         * imach.c: Summary: Some updates          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: Before ncovmax          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
         * version.h: *** empty log message ***          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: 0.99r18 unlimited number of individuals          functions vector or matrix, I changed Geggenfürtner code to mimick
         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.          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
 2018-12-13  Brouard Nicolas  <brouard@ined.fr>          published in Algol with overflow errors which were reproduced in
           Brent's Algol W code. Buckhardt code fixed these errors which are
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          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
 2018-12-05  Brouard Nicolas  <brouard@ined.fr>          style is horrible and almost unreadable compared to Gegenfürtner
           CO code which is very close to Brent's original. Also what makes
         * Makefile: Summary: 0.99r16          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@ined.fr>          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: Some bugs fixed          (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@ined.fr>          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: Bug for young ages (<-30) will be in r17          useless. Gegenfürtner used a lot of static variables or functions
           which I tried to minimize. Also in Gegefürtner, array dimensions
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          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: Some bugs fixed  
   2023-06-14  Nicolas Brouard   <brouard@ined.fr>
 2018-05-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Testing if conjugate gradient could be quicker
         * imach.c:          when lot of variables POWELLORIGINCONJUGATE
         Summary: Bug fixed by providing frequencies only for non missing covariates  
   2023-05-23  Nicolas Brouard   <brouard@ined.fr>
 2018-04-27  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixed PROB_r 
         * imach.c: Summary: some minor bugs  
   2023-05-22  Nicolas Brouard   <brouard@ined.fr>
 2018-04-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): In the ILK....txt file, the number of columns
         * README.txt: *** empty log message ***          before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
   
         * imach.c: Summary: Some bugs fixed, valgrind tested  2023-05-08  Nicolas Brouard   <brouard@ined.fr>
   
 2018-04-20  Brouard Nicolas  <brouard@ined.fr>          *  (Module): Error V0 when result:. and model 1+age+V1: fixed
   
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16  2023-04-29  Nicolas Brouard  <brouard@ined.fr>
   
         * imach.c:          * imach.c (Module): Inverting the model equation and fixingg bugs
         Summary: Computing mean and stdeviation of fixed quantitative variables          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"
 2018-04-19  Brouard Nicolas  <brouard@ined.fr>  
   2023-04-24  Nicolas Brouard  <brouard@ined.fr>
         * imach.c: Summary: Some minor bugs fixed  
           * imach.c (Module): some bugs in printinggnuplot 
         * version.h: *** empty log message ***  
   2022-09-19  Nicolas Brouard   <brouard@ined.fr>
 2018-02-27  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Version 0.99r42 needed a newer version of
         * imach.c: *** empty log message ***          Gnuplot. But newer version 0.99r43 should run with the Gnuplot
           version 5.0 or 5.1 distributed with IMaCh.
         * imach.c: Summary: Adding second argument for quitting  
   2022-09-18  Nicolas Brouard   <brouard@ined.fr>
 2018-02-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixing when a state in the data is 0 or higher
         * Makefile, README.txt, imach.c: Summary: 0.99r15          than lstate+ndeath. Fixing the plot of contribution to Likelihood.
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c  
   2022-09-16  Nicolas Brouard   <brouard@ined.fr>
 2017-07-20  Brouard Nicolas  <brouard@ined.fr>  
           * 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: temporary working  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
 2017-07-19  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Fixing names of variables in T_ (thanks to 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@ined.fr>  
           * imach.c (Module): Version 0.99r39 with colored dummy covariates
         * imach.c: Summary: BOM files can be read now          (fixed or time varying), using new last columns of
           ILK_parameter.txt file.
 2017-06-30  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-11  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Graphs improvements  
           * imach.c (Module): Adding timevarying products of any kinds,
         * imach.c: Summary: Saito's color          should work before shifting cotvar from ncovcol+nqv columns in
           order to have a correspondance between the column of cotvar and
 2017-06-29  Brouard Nicolas  <brouard@ined.fr>          the id of column.
           (Module): Some cleaning and adding covariates in ILK.txt
         * imach.c: Summary: Version 0.99r14  
   2022-09-09  Nicolas Brouard   <brouard@ined.fr>
 2017-06-27  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Many improvements for fixing products of fixed
         * imach.c: Summary: More documentation on projections          timevarying as well as fixed * fixed, and test with quantitative
           covariate.
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)  
   2022-09-04  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some bug with rint  
           * imach.c (Module): Now the easy runs i.e. without result or
 2017-05-24  Brouard Nicolas  <brouard@ined.fr>          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: *** empty log message ***  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
 2017-05-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Version 0.99r35 because it outputs same results with
         * imach.c: Summary: Code into subroutine, cleanings          1+age+V1+V1*age for females and 1+age for females only
           (education=1 noweight)
 2017-05-18  Brouard Nicolas  <brouard@ined.fr>  
   2022-08-31  Nicolas Brouard   <brouard@ined.fr>
         * imach.c:  
         Summary: backprojection and confidence intervals of backprevalence          * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
   
 2017-05-13  Brouard Nicolas  <brouard@ined.fr>  2022-08-21  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: temporary save for backprojection          * imach.c (Module): Version 0.99r33 A lot of changes in
           reassigning covariates: my first idea was that people will always
         * imach.c: Summary: Version 0.99r13 (improvements and 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
 2017-04-26  Brouard Nicolas  <brouard@ined.fr>          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
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          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: Labels in graphs          and the combination for V2 should be codtabm(k,1) instead of
           (codtabm(k,2), and the code should be
 2017-04-24  Brouard Nicolas  <brouard@ined.fr>          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: Summary: to save          hpxij() for example by using precov[nres] which is computed in
           decoderesult for each nres of each resultline. Loop should be done
 2017-04-18  Brouard Nicolas  <brouard@ined.fr>          on the equation model globally by distinguishing only product with
           age (which are changing with age) and no more on type of
         * imach.c: *** empty log message ***          covariates, single dummies, single covariates. 
   
 2017-04-05  Brouard Nicolas  <brouard@ined.fr>  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1          *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
   
 2017-04-04  Brouard Nicolas  <brouard@ined.fr>  2022-08-03  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Gnuplot indexations fixed (humm)          *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
   
         * imach.c:  2022-07-25  Brouard Nicolas  <brouard@brouard.name>
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3  
           * imach.c (Module): Error cptcovn instead of nsd in bmij (was
 2017-04-03  Brouard Nicolas  <brouard@ined.fr>          coredumped, revealed by Feiuno, thank you.
   
         * imach.c: Summary: Version 0.99r12  2022-07-23  Nicolas Brouard   <brouard@ined.fr>
         Some cleanings, conformed with updated documentation.  
           * r29 W and not sqrt(Wald)
 2017-03-30  Brouard Nicolas  <brouard@ined.fr>  
   2022-07-22  Nicolas Brouard   <brouard@ined.fr>
         * version.h: *** empty log message ***  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
         * version.h: Summary:0.99r11  
   2022-06-02  Brouard Nicolas  <brouard@brouard.name>
 2017-03-29  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Adding the Wald tests from the log to the main
         * imach.c: Summary: Temp          htm for better display of the maximum likelihood estimators.
   
 2017-03-27  Brouard Nicolas  <brouard@ined.fr>  2022-05-30  Brouard Nicolas  <brouard@brouard.name>
   
         * imach.c: Summary: Temporary          * imach.c: With products of covariates (age or dummies or
           quantitatives), estimates of parameters were good but when
 2017-03-08  Brouard Nicolas  <brouard@ined.fr>          estimating variances the positions of newly created covariates
           were wrongly assigned and results were wrong. Thank to Feinua_Sun!
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed  
   2022-05-24  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Fixing data parameter line  
           * imach.c (Module): Some attempts to find a bug of wrong estimates
 2016-12-15  Brouard Nicolas  <brouard@ined.fr>          of confidencce intervals with product in the equation modelC
   
         * imach.c: Summary: 0.99 in progress  2022-05-15  Nicolas Brouard   <brouard@ined.fr>
   
 2016-09-15  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module):  Some minor improvements
   
         * imach.c: *** empty log message ***  2022-04-13  Brouard Nicolas  <brouard@brouard.name>
   
         * imach.c: Summary: not working          * imach.c (Module): Adding link to text data files
   
 2016-09-08  Brouard Nicolas  <brouard@ined.fr>  2022-04-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: continue          * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
   
 2016-09-07  Brouard Nicolas  <brouard@ined.fr>  2022-04-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Starting values from frequencies          * 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
 2016-09-02  Brouard Nicolas  <brouard@ined.fr>          covariates are still not computed.
   
         * imach.c: *** empty log message ***  2022-03-17  Brouard Nicolas  <brouard@ined.fr>
   
 2016-08-30  Brouard Nicolas  <brouard@ined.fr>          * 99r25 Improvements in fixing discrepancies between covariates
           missing in result line but in model. 
         * imach.c: Summary: Fixing a lots  
   *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
 2016-08-29  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
   
         * imach.c: Summary: gnuplot problem in Back projection to fix  *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Better          * ./ (Module): Fixed bug on result:
   
 2016-08-26  Brouard Nicolas  <brouard@ined.fr>  *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          * imach.c (Module): Fix bug on quitting after result lines!
         Summary: Improvement in Powell output in order to copy and paste          (Module): Version 0.99r21
   
         * imach.c: Summary: Starting tests of 0.99  2021-02-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: to valgrind          * imach.c (Module): The use of a Windows BOM (huge) file is now an error
   
 2016-08-25  Brouard Nicolas  <brouard@ined.fr>  
   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.
 2016-08-23  Brouard Nicolas  <brouard@ined.fr>  
   2020-02-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           *  (Module): imach.c Update mle=-3 (for computing Life expectancy
         * imach.c: Summary: not working          and life table from the data without any state)
   
 2016-08-22  Brouard Nicolas  <brouard@ined.fr>  2019-05-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: not working          * version.h: Summary: version 0.99.r19
   
         * imach.c: Summary: Not working          * imach.c: Summary: Projection syntax simplified
           We can now start projections, forward or backward, from the mean date
 2016-07-23  Brouard Nicolas  <brouard@ined.fr>          of inteviews up to or down to a number of years of projection:
           prevforecast=1 yearsfproj=15.3 mobil_average=0
         * imach.c: Summary: Completing for func too          or
           prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
 2016-07-22  Brouard Nicolas  <brouard@ined.fr>          or
           prevbackcast=1 yearsbproj=12.3 mobil_average=1
         * imach.c: Summary: Fixing some arrays, still debugging          or
           prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
 2016-07-21  Brouard Nicolas  <brouard@ined.fr>  
   2019-05-18  Brouard Nicolas  <brouard@ined.fr>
         * imach.c:  
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          * imach.c: Summary: doxygen tex bug
   
 2016-07-12  Brouard Nicolas  <brouard@ined.fr>  2019-05-16  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: temp          * imach.c: Summary: There was some wrong lines added
   
         * imach.c: Summary: saving but not running  2019-05-09  Brouard Nicolas  <brouard@ined.fr>
   
 2016-07-01  Brouard Nicolas  <brouard@ined.fr>          * Makefile, imach.c: *** empty log message ***
   
         * imach.c: Summary: Fixes          * ChangeLog: Summary: C=
   
 2016-02-19  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Some updates
   
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7          * imach.c: Summary: Before ncovmax
   
         * setup.iss, Makefile, version.h: *** empty log message ***          * version.h: *** empty log message ***
   
         * imach.c: Summary: temporary          * 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.
 2016-02-17  Brouard Nicolas  <brouard@ined.fr>  
   2018-12-13  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6  
           * imach.c: Summary: Bug for young ages (<-30) will be in r17
 2016-02-16  Brouard Nicolas  <brouard@ined.fr>  
   2018-12-05  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: minor bug  
           * Makefile: Summary: 0.99r16
         * imach.c: Summary: 0.99r2  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2016-02-15  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some bugs fixed
         * imach.c: *** empty log message ***  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2016-02-12  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c:  Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: 0.99 Back projections  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2015-12-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some bugs fixed
         * imach.c: Summary: Experimental backcast  
   2018-05-01  Brouard Nicolas  <brouard@ined.fr>
 2015-12-18  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c:
         * imach.c: Summary: 0.98r4 Warning and status=-2          Summary: Bug fixed by providing frequencies only for non missing covariates
   
         Version 0.98r4 is now:  2018-04-27  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: some minor bugs
         Older changes concerning s=-2, dating from 2005 have been supersed.  
   2018-04-21  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * README.txt: *** empty log message ***
 2015-12-16  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some bugs fixed, valgrind tested
         * Makefile: *** empty log message ***  
   2018-04-20  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r4 working  
           * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
         * Makefile: Summary: linuxrpm added  
           * imach.c:
         * Makefile: *** empty log message ***          Summary: Computing mean and stdeviation of fixed quantitative variables
   
         * imach.c: Summary: temporary not working  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
 2015-12-11  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Some minor bugs fixed
   
         * imach.c: Summary: 0.98r4          * version.h: *** empty log message ***
   
 2015-12-08  Brouard Nicolas  <brouard@ined.fr>  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: *** empty log message ***
   
 2015-11-21  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Adding second argument for quitting
   
         * Makefile:  2018-02-21  Brouard Nicolas  <brouard@ined.fr>
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  
           * Makefile, README.txt, imach.c: Summary: 0.99r15
         * imach.c: Summary: minor typo          New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
   
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional  2017-07-20  Brouard Nicolas  <brouard@ined.fr>
   
         Author: Nicolas Brouard          * imach.c: Summary: temporary working
   
 2015-11-18  Brouard Nicolas  <brouard@ined.fr>  2017-07-19  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Start working on projected prevalences          * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
   
 2015-11-17  Brouard Nicolas  <brouard@ined.fr>  2017-07-17  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Adding ftolpl parameter          * imach.c: Summary: BOM files can be read now
         Author: N Brouard  
   2017-06-30  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: Graphs improvements
         parameter ftolpl is now an outer parameter of the .imach parameter  
         file after estepm. If ftolpl is small 1.e-4 and estepm too,          * imach.c: Summary: Saito's color
         computation are long.  
   2017-06-29  Brouard Nicolas  <brouard@ined.fr>
         * version.h: *** empty log message ***  
           * imach.c: Summary: Version 0.99r14
         * imach.c: Summary: temporary  
   2017-06-27  Brouard Nicolas  <brouard@ined.fr>
 2015-10-27  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: More documentation on projections
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
         * setup.iss.in: Summary: some new subdirs  
           * imach.c: Summary: Some bug with rint
         * imach.c: *** empty log message ***  
   2017-05-24  Brouard Nicolas  <brouard@ined.fr>
         * setup.iss.in:  
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts          * imach.c: *** empty log message ***
   
 2015-10-24  Brouard Nicolas  <brouard@ined.fr>  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c: Summary: Code into subroutine, cleanings
   
 2015-10-23  Brouard Nicolas  <brouard@ined.fr>  2017-05-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          * imach.c:
         Summary: 0.98r3 some clarification for graphs on likelihood contributions          Summary: backprojection and confidence intervals of backprevalence
   
 2015-10-01  Brouard Nicolas  <brouard@ined.fr>  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Some new graphs of contribution to likelihood          * imach.c: Summary: temporary save for backprojection
   
 2015-09-30  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
   
         * Makefile:  2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         Summary: Version read from version.h, itself read with cmake  
           * imach.c: Summary: imach 0.99r13 Some bugs fixed
         * imach.c: Summary: looking at better estimation of the hessian  
           * imach.c: Summary: Labels in graphs
         Also a better criteria for convergence to the period prevalence And  
         therefore adding the number of years needed to converge. (The  2017-04-24  Brouard Nicolas  <brouard@ined.fr>
         prevalence in any alive state shold sum to one  
           * imach.c: Summary: to save
         * Makefile: *** empty log message ***  
   2017-04-18  Brouard Nicolas  <brouard@ined.fr>
 2015-09-22  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: *** empty log message ***
         * imach.c:  
         Summary: Adding some overall graph on contribution to likelihood. Might change  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-15  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
   
         * Makefile: *** empty log message ***  2017-04-04  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r0          * imach.c: Summary: Gnuplot indexations fixed (humm)
   
         - Some new graphs like survival functions          * imach.c:
         - Some bugs fixed like model=1+age+V2.          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
         * ChangeLog, Makefile: Summary: 0.98r0  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
   
         * CMakeLists.txt: Summary: Some tests for setup.iss          * imach.c: Summary: Version 0.99r12
           Some cleanings, conformed with updated documentation.
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
   2017-03-30  Brouard Nicolas  <brouard@ined.fr>
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  
           * version.h: *** empty log message ***
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>  
           * version.h: Summary:0.99r11
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  
   2017-03-29  Brouard Nicolas  <brouard@ined.fr>
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
           * imach.c: Summary: Temp
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  
           * imach.c: Summary: Temporary
         * imach.c (Module): Merging 1.61 to 1.162  
   2017-03-08  Brouard Nicolas  <brouard@ined.fr>
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  
           * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
         * prevlim.h (Module):  
           * imach.c: Summary: Fixing data parameter line
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  
   2016-12-15  Brouard Nicolas  <brouard@ined.fr>
         * 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: 0.99 in progress
   
 2010-04-29  brouard  <brouard@ined.fr>  2016-09-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Checking covariates for more complex models          * imach.c: *** empty log message ***
         than V1+V2. A lot of change to be done. Unstable.  
           * imach.c: Summary: not working
 2010-04-26  brouard  <brouard@ined.fr>  
   2016-09-08  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): merging some libgsl code. Fixing computation  
         of likelione (using inter/intrapolation if mle = 0) in order to          * imach.c: Summary: continue
         get same likelihood as if mle=1.  
         Some cleaning of code and comments added.  2016-09-07  Brouard Nicolas  <brouard@ined.fr>
   
 2009-10-29  brouard  <brouard@ined.fr>          * imach.c: Summary: Starting values from frequencies
   
         * 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>  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Clarifications on computing e.j          * imach.c: *** empty log message ***
   
 2006-04-28  Brouard Nicolas  <brouard@localhost>  2016-08-30  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Yes the sum of survivors was wrong since          * imach.c: Summary: Fixing a lots
         imach-114 because nhstepm was no more computed in the age  
         loop. Now we define nhstepma in the age loop.  2016-08-29  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: gnuplot problem in Back projection to fix
         and then all the health expectancies with variances or standard  
         deviation (needs data from the Hessian matrices) which slows the          * imach.c: Summary: Better
         computation.  
         In the future we should be able to stop the program is only health  2016-08-26  Brouard Nicolas  <brouard@ined.fr>
         expectancies and graph are needed without standard deviations.  
           * imach.c:
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          Summary: Improvement in Powell output in order to copy and paste
   
         * imach.iss (Module):          * imach.c: Summary: Starting tests of 0.99
   
         * imach.c (Module): bugs in evsi + population file added in htm output file          * imach.c: Summary: to valgrind
   
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module):          * imach.c: *** empty log message ***
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>  2016-08-23  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): <title> changed, corresponds to .htm file          * imach.c: *** empty log message ***
         name. <head> headers where missing.  
           * imach.c: Summary: not working
         * Makefile (Module): 0.98g  
   2016-08-22  Brouard Nicolas  <brouard@ined.fr>
         * 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          * imach.c: Summary: Not working
         1.  
         Version 0.98g  2016-07-23  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: Completing for func too
   
         * imach.c (Module): Comments concerning covariates added  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
   
         * noreg-setup.iss (Module): Version 0.98f          * imach.c: Summary: Fixing some arrays, still debugging
   
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): refinements in the computation of lli if          * imach.c:
         status=-2 in order to have more reliable computation if stepm is          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
         not 1 month. Version 0.98f  
   2016-07-12  Brouard Nicolas  <brouard@ined.fr>
 2006-03-15  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temp
         * imach.c (Module): Bug if status = -2, the loglikelihood was  
         computed as likelihood omitting the logarithm. Version O.98e          * imach.c: Summary: saving but not running
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): varevsij Comments added explaining the second          * imach.c: Summary: Fixes
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
         (Module): Function pstamp added  
         (Module): Version 0.98d          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
   
 2006-03-06  Brouard Nicolas  <brouard@localhost>          * setup.iss, Makefile, version.h: *** empty log message ***
   
         * imach.c (Module): Variance-covariance wrong links and          * imach.c: Summary: temporary
         varian-covariance of ej. is needed (Saito).  
   2016-02-17  Brouard Nicolas  <brouard@ined.fr>
 2006-02-27  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Probably last 0.98 stable version 0.98r6
         * imach.c (Module): One freematrix added in mlikeli!  
   2016-02-16  Brouard Nicolas  <brouard@ined.fr>
 2006-02-26  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: minor bug
         * imach.c (Module): Some improvements in processing parameter  
         filename with strsep.          * imach.c: Summary: 0.99r2
   
 2006-02-24  Brouard Nicolas  <brouard@localhost>  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Memory leaks checks with valgrind and:          * imach.c: *** empty log message ***
         datafile was not closed, some imatrix were not freed and on matrix  
         allocation too.  2016-02-12  Brouard Nicolas  <brouard@ined.fr>
   
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: 0.99 Back projections
   
         * strsep.c (Module): Inclusion because not in mingw32!!!  2015-12-23  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in (Module): IMACHSETUPVERSION added          * imach.c: Summary: Experimental backcast
   
         * noreg-setup.iss (Module): added to cvs tree  2015-12-18  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): IMACHSETUPVERSION added          * imach.c: Summary: 0.98r4 Warning and status=-2
   
 2006-01-30  BROUARD Nicolas  <brouard@localhost>          Version 0.98r4 is now:
            - displaying an error when status is -1, date of interview unknown and date of death known;
         * Makefile (Module, Module): Latest Makefile           - 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.
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe  
           * Makefile: *** empty log message ***
 2006-01-27  BROUARD Nicolas  <brouard@localhost>  
   2015-12-16  Brouard Nicolas  <brouard@ined.fr>
         * noreg-setup.iss (Module): ADDED  
           * Makefile: *** empty log message ***
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  
           * imach.c: Summary: 0.98r4 working
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.  
           * Makefile: Summary: linuxrpm added
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>  
           * Makefile: *** empty log message ***
         * Makefile (Module): Added Imach98.pmsp and howto crete a dmg  
           * imach.c: Summary: temporary not working
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X  
   2015-12-11  Brouard Nicolas  <brouard@ined.fr>
 2005-09-30    <lievre@PC_00595>  
           * imach.c: Summary: 0.98r4
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.  
         (Module): If the status is missing at the last wave but we know  2015-12-08  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          * Makefile: *** empty log message ***
         contributions to the likelihood is 1 - Prob of dying from last  
         health status (= 1-p13= p11+p12 in the easiest case of somebody in  2015-11-21  Brouard Nicolas  <brouard@ined.fr>
         the healthy state at last known wave). Version is 0.98  
           * Makefile:
 2004-05-20  Brouard Nicolas  <brouard@localhost>          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
   
         * imach.c (Repository):          * imach.c: Summary: minor typo
         Agnes added a direct estimation of mortality (without the need of  
         computing period prevalence and differential mortality). Thus here          * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
         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          Author: Nicolas Brouard
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need  2015-11-18  Brouard Nicolas  <brouard@ined.fr>
         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          * imach.c: Summary: Start working on projected prevalences
         = a + b*x . But we have been able to incorporate the new code  
         within former imach program (0.96d) without deteriorating too much  2015-11-17  Brouard Nicolas  <brouard@ined.fr>
         the understanding of the program.  
           * imach.c: Summary: Adding ftolpl parameter
 2003-06-25    <brouard@BROUARD>          Author: N Brouard
   
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't          We had difficulties to get smoothed confidence intervals. It was due
         exist so I changed back to asctime which exists.          to the period prevalence which wasn't computed accurately. The inner
         (Module): Version 0.96b          parameter ftolpl is now an outer parameter of the .imach parameter
           file after estepm. If ftolpl is small 1.e-4 and estepm too,
 2003-06-24    <brouard@BROUARD>          computation are long.
   
         * imach.c (Module): Some bugs corrected for windows. Also, when          * version.h: *** empty log message ***
         mle=-1 a template is output in file "or"mypar.txt with the design  
         of the covariance matrix to be input.          * imach.c: Summary: temporary
   
 2003-06-25  Brouard Nicolas  <brouard@homebrou>  2015-10-27  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Repository): Duplicated warning errors corrected.          * Makefile: *** empty log message ***
         (Repository): Elapsed time after each iteration is now output. It  
         helps to forecast when convergence will be reached. Elapsed time          * setup.iss.in: Summary: some new subdirs
         is stamped in powell.  We created a new html file for the graphs  
         concerning matrix of covariance. It has extension -cov.htm.          * imach.c: *** empty log message ***
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * setup.iss.in:
           Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
         * 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.  
   2015-10-24  Brouard Nicolas  <brouard@ined.fr>
 2003-06-18  Brouard Nicolas  <brouard@homebrou>  
           * imach.c: *** empty log message ***
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96  
   2015-10-23  Brouard Nicolas  <brouard@ined.fr>
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
           * imach.c:
           Summary: 0.98r3 some clarification for graphs on likelihood contributions
         * imach.c (Repository): Check when date of death was earlier that  
         current date of interview. It may happen when the death was just  2015-10-01  Brouard Nicolas  <brouard@ined.fr>
         prior to the death. In this case, dh was negative and likelihood  
         was wrong (infinity). We still send an "Error" but patch by          * imach.c: Summary: Some new graphs of contribution to likelihood
         assuming that the date of death was just one stepm after the  
         interview.  2015-09-30  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          * Makefile:
         memory allocation. But we also truncated to 8 characters (left          Summary: Version read from version.h, itself read with cmake
         truncation)  
           * imach.c: Summary: looking at better estimation of the hessian
         (Repository): No more line truncation errors.  
           Also a better criteria for convergence to the period prevalence And
 2003-06-14  Brouard Nicolas  <brouard@homebrou>          therefore adding the number of years needed to converge. (The
           prevalence in any alive state shold sum to one
         * imach.c (Repository): Add of a routine likelione (likelihood  
         only once) which prints on a text file          * Makefile: *** empty log message ***
         (ilk) the contributions to the likelihood for each  
         individual/wave.  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          * imach.c:
         * imach.c (Repository): Replace "freqsummary" at a correct          Summary: Adding some overall graph on contribution to likelihood. Might change
         place. It differs from routine "prevalence" which may be called  
         many times. Probs is memory consuming and must be used with  2015-09-15  Brouard Nicolas  <brouard@ined.fr>
         parcimony.  
           * Makefile: *** empty log message ***
 2003-06-17    <brouard@BROUARD>  
           * imach.c: Summary: 0.98r0
         * timeval.h (Module): Added included file to make use of  
         gettimeofday working on win32 with cygwin.          - Some new graphs like survival functions
           - Some bugs fixed like model=1+age+V2.
 2003-05-16  Brouard Nicolas  <brouard@brouard>  
         * imach.c (Module): Insert of a warning if the delay between two          * ChangeLog, Makefile: Summary: 0.98r0
         waves is negative.  
           * CMakeLists.txt: Summary: Some tests for setup.iss
         * imach.c (Module):  
   2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
 2003-05-03    <brouard@BROUARD>  
           *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
         * imach.c: Some cleaning  
   2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
 2003-03-28    <brouard@BROUARD>  
         * imach.c (Module): In version up to 0.92 likelihood was computed          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         as if date of death was unknown. Death was treated as any other  
         health state: the date of the interview describes the actual state  2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         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): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
         (healthy, disable or death) and IMaCh was corrected; but when we  
         introduced the exact date of death then we should have modified  2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         the contribution of an exact death to the likelihood. This new  
         contribution is smaller and very dependent of the step unit          * imach.c (Module): Merging 1.61 to 1.162
         stepm. It is no more the probability to die between last interview  
         and month of death but the probability to survive from last  2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
         interview up to one month before death multiplied by the  
         probability to die within a month. Thanks to Chris          * prevlim.h (Module): 
         Jackson for correcting this bug.  Former versions increased  
         mortality artificially. The bad side is that we add another loop  2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
         which slows down the processing. The difference can be up to 10%  
         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.
 2002-05-30    <brouard@BROUARD>  
         *  2010-04-29  brouard  <brouard@ined.fr>
         * imach.c (Module): Add correlation matrix of one-step  
         probabilities and covariance matrix          * 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): 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.
   
   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.1.46  
changed lines
  Added in v.1.73

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