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version 1.45, 2021/03/31 14:11:04 version 1.70, 2024/05/12 20:28:58
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 2021-03-31  Nicolas Brouard   <brouard@ined.fr>  2024-05-12  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett          * imach.c Version 0.99s5 In fact, the covariance of total life
           expectancy e.. with a partial life expectancy e.j is high,
 2021-03-08  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): Fixed bug on result:          total life expectancy spent in a specific state:
           var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
 2021-02-20  Nicolas Brouard   <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.
         * imach.c (Module): Fix bug on quitting after result lines!  
         (Module): Version 0.99r21  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
   
 2021-02-12  Nicolas Brouard   <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
         * imach.c (Module): The use of a Windows BOM (huge) file is now an error          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.
   
 2021-02-11  Nicolas  Brouard   <brouard@ined.fr>  2024-04-24  Nicolas Brouard   <brouard@ined.fr>
   
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.          * (Module): This version comes late after having tested
           successfully the praxis C version of Buckhardt.  But Buckardt's
 2020-02-22  Brouard Nicolas  <brouard@ined.fr>          version was difficult to read and Gegenfurtner's version had a few
           typos which made its results less reliable than Buckhardt's
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy          results.  The most important work consisted in retyping the Brent
         and life table from the data without any state)          original PRAXIS program written in Algol W (published with errors,
           ommitting the transposition of matrix V before its QR reduction
 2019-05-20  Brouard Nicolas  <brouard@ined.fr>          from Golub. I used the recent "awe" compiler from Gkynn Webster.
           The awe library had errors, for example in arc tangent function
         * version.h: Summary: version 0.99.r19          which have been fixed.
   
         * imach.c: Summary: Projection syntax simplified          The main objective was to get identical results with the three
         We can now start projections, forward or backward, from the mean date          versions: (1) Algol W, (2) Buckhardt'C version as well (3)
         of inteviews up to or down to a number of years of projection:          Gegenfürtner C versions on the various test functions published by
         prevforecast=1 yearsfproj=15.3 mobil_average=0          Brent in 1973 in Algol W.
         or  
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          Also, in order to compare them, the random function had to produce
         or          the same sequence for the 3 softwares. The random function used in
         prevbackcast=1 yearsbproj=12.3 mobil_average=1          imach corresponds to original Brent's random function written in
         or          Algol W.  Other point, in Algol W, the arrays of dimension n are
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1          '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
 2019-05-18  Brouard Nicolas  <brouard@ined.fr>          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: doxygen tex bug          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
 2019-05-16  Brouard Nicolas  <brouard@ined.fr>          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: There was some wrong lines added          functions vector or matrix, I changed Geggenfürtner code to mimick
           the original Algol W arrays. Thus the X(I) is translated in C as
 2019-05-09  Brouard Nicolas  <brouard@ined.fr>          x[i] which minimizes the errors. The Golub QR algorithm was
           published in Algol with overflow errors which were reproduced in
         * Makefile, imach.c: *** empty log message ***          Brent's Algol W code. Buckhardt code fixed these errors which are
           much more problematic in C than in Algol W.  Thus Buckhardt code
         * ChangeLog: Summary: C=          seems very safe, but i haven't chosen it for IMaCh because the C
           style is horrible and almost unreadable compared to Gegenfürtner
         * imach.c: Summary: Some updates          CO code which is very close to Brent's original. Also what makes
           Buckhardt code more difficult to read is, instead of passing the
         * imach.c: Summary: Before ncovmax          minimum of parameters in the functions calls, as it is in Algol
           Brent's code or Gegenfürtner's code, the list of parameters is
         * version.h: *** empty log message ***          high. For example, the flin function LONG REAL PROCEDURE FLIN
           (LONG REAL VALUE L) has only one parameter in Algol W, the
         * imach.c: Summary: 0.99r18 unlimited number of individuals          Gegenfürtner flin function had two parameters: static double
         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.          flin(l, j) double l; { int i; double tflin[N];} but Buckhardt
           function has 14 parameters which makes the code unreadable and
 2018-12-13  Brouard Nicolas  <brouard@ined.fr>          useless. Gegenfürtner used a lot of static variables or functions
           which I tried to minimize. Also in Gegefürtner, array dimensions
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          were fixed to N. In my adaptation the flin is static double
           flin(double l, int j) and the parameter used are global variables.
 2018-12-05  Brouard Nicolas  <brouard@ined.fr>  
   2023-06-14  Nicolas Brouard   <brouard@ined.fr>
         * Makefile: Summary: 0.99r16  
           * imach.c (Module): Testing if conjugate gradient could be quicker
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          when lot of variables POWELLORIGINCONJUGATE
   
         * imach.c: Summary: Some bugs fixed  2023-05-23  Nicolas Brouard   <brouard@ined.fr>
   
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Fixed PROB_r 
   
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17  2023-05-22  Nicolas Brouard   <brouard@ined.fr>
   
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): In the ILK....txt file, the number of columns
           before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
         * imach.c: Summary: Some bugs fixed  
   2023-05-08  Nicolas Brouard   <brouard@ined.fr>
 2018-05-01  Brouard Nicolas  <brouard@ined.fr>  
           *  (Module): Error V0 when result:. and model 1+age+V1: fixed
         * imach.c:  
         Summary: Bug fixed by providing frequencies only for non missing covariates  2023-04-29  Nicolas Brouard  <brouard@ined.fr>
   
 2018-04-27  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Inverting the model equation and fixingg bugs
           in the drawings
         * imach.c: Summary: some minor bugs          "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"
   
 2018-04-21  Brouard Nicolas  <brouard@ined.fr>  2023-04-24  Nicolas Brouard  <brouard@ined.fr>
   
         * README.txt: *** empty log message ***          * imach.c (Module): some bugs in printinggnuplot 
   
         * imach.c: Summary: Some bugs fixed, valgrind tested  2022-09-19  Nicolas Brouard   <brouard@ined.fr>
   
 2018-04-20  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Version 0.99r42 needed a newer version of
           Gnuplot. But newer version 0.99r43 should run with the Gnuplot
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16          version 5.0 or 5.1 distributed with IMaCh.
   
         * imach.c:  2022-09-18  Nicolas Brouard   <brouard@ined.fr>
         Summary: Computing mean and stdeviation of fixed quantitative variables  
           * imach.c (Module): Fixing when a state in the data is 0 or higher
 2018-04-19  Brouard Nicolas  <brouard@ined.fr>          than lstate+ndeath. Fixing the plot of contribution to Likelihood.
   
         * imach.c: Summary: Some minor bugs fixed  2022-09-16  Nicolas Brouard   <brouard@ined.fr>
   
         * version.h: *** empty log message ***          * imach.c (Module): 0.99r41 Was an error when product of timevarying and fixed. Using FixedV[of name] now. Thank you  Feinuo
   
 2018-02-27  Brouard Nicolas  <brouard@ined.fr>  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
   
         * imach.c: Summary: Adding second argument for quitting  2022-09-14  Nicolas Brouard   <brouard@ined.fr>
   
 2018-02-21  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Version 0.99r39 with colored dummy covariates
           (fixed or time varying), using new last columns of
         * Makefile, README.txt, imach.c: Summary: 0.99r15          ILK_parameter.txt file.
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c  
   2022-09-11  Nicolas Brouard   <brouard@ined.fr>
 2017-07-20  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Adding timevarying products of any kinds,
         * imach.c: Summary: temporary working          should work before shifting cotvar from ncovcol+nqv columns in
           order to have a correspondance between the column of cotvar and
 2017-07-19  Brouard Nicolas  <brouard@ined.fr>          the id of column.
           (Module): Some cleaning and adding covariates in ILK.txt
         * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)  
   2022-09-09  Nicolas Brouard   <brouard@ined.fr>
 2017-07-17  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Many improvements for fixing products of fixed
         * imach.c: Summary: BOM files can be read now          timevarying as well as fixed * fixed, and test with quantitative
           covariate.
 2017-06-30  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-04  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Graphs improvements  
           * imach.c (Module): Now the easy runs i.e. without result or
         * imach.c: Summary: Saito's color          model=1+age only did not work. The defautl combination should be 1
           and not 0 because everything hasn't been tranformed yet.
 2017-06-29  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Version 0.99r14  
           * imach.c: Version 0.99r35 because it outputs same results with
 2017-06-27  Brouard Nicolas  <brouard@ined.fr>          1+age+V1+V1*age for females and 1+age for females only
           (education=1 noweight)
         * imach.c: Summary: More documentation on projections  
   2022-08-31  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)  
           * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
         * imach.c: Summary: Some bug with rint  
   2022-08-21  Nicolas Brouard   <brouard@ined.fr>
 2017-05-24  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Version 0.99r33 A lot of changes in
         * imach.c: *** empty log message ***          reassigning covariates: my first idea was that people will always
           use the first covariate V1 into the model but in fact they are
 2017-05-23  Brouard Nicolas  <brouard@ined.fr>          producing data with many covariates and can use an equation model
           with some of the covariate; it means that in a model V2+V3 instead
         * imach.c: Summary: Code into subroutine, cleanings          of codtabm(k,Tvaraff[j]) which calculates for combination k, for
           three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
 2017-05-18  Brouard Nicolas  <brouard@ined.fr>          the equation model is restricted to two variables only (V2, V3)
           and the combination for V2 should be codtabm(k,1) instead of
         * imach.c:          (codtabm(k,2), and the code should be
         Summary: backprojection and confidence intervals of backprevalence          codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
           made. All of these should be simplified once a day like we did in
 2017-05-13  Brouard Nicolas  <brouard@ined.fr>          hpxij() for example by using precov[nres] which is computed in
           decoderesult for each nres of each resultline. Loop should be done
         * imach.c: Summary: temporary save for backprojection          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: Version 0.99r13 (improvements and bugs fixed)          covariates, single dummies, single covariates. 
   
 2017-04-26  Brouard Nicolas  <brouard@ined.fr>  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
   
         * imach.c: Summary: Labels in graphs  2022-08-03  Nicolas Brouard   <brouard@ined.fr>
   
 2017-04-24  Brouard Nicolas  <brouard@ined.fr>          *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
   
         * imach.c: Summary: to save  2022-07-25  Brouard Nicolas  <brouard@brouard.name>
   
 2017-04-18  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Error cptcovn instead of nsd in bmij (was
           coredumped, revealed by Feiuno, thank you.
         * imach.c: *** empty log message ***  
   2022-07-23  Nicolas Brouard   <brouard@ined.fr>
 2017-04-05  Brouard Nicolas  <brouard@ined.fr>  
           * r29 W and not sqrt(Wald)
         * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1  
   2022-07-22  Nicolas Brouard   <brouard@ined.fr>
 2017-04-04  Brouard Nicolas  <brouard@ined.fr>  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
         * imach.c: Summary: Gnuplot indexations fixed (humm)  
   2022-06-02  Brouard Nicolas  <brouard@brouard.name>
         * imach.c:  
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3          * imach.c (Module): Adding the Wald tests from the log to the main
           htm for better display of the maximum likelihood estimators.
 2017-04-03  Brouard Nicolas  <brouard@ined.fr>  
   2022-05-30  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Version 0.99r12  
         Some cleanings, conformed with updated documentation.          * imach.c: With products of covariates (age or dummies or
           quantitatives), estimates of parameters were good but when
 2017-03-30  Brouard Nicolas  <brouard@ined.fr>          estimating variances the positions of newly created covariates
           were wrongly assigned and results were wrong. Thank to Feinua_Sun!
         * version.h: *** empty log message ***  
   2022-05-24  Nicolas Brouard   <brouard@ined.fr>
         * version.h: Summary:0.99r11  
           * imach.c (Module): Some attempts to find a bug of wrong estimates
 2017-03-29  Brouard Nicolas  <brouard@ined.fr>          of confidencce intervals with product in the equation modelC
   
         * imach.c: Summary: Temp  2022-05-15  Nicolas Brouard   <brouard@ined.fr>
   
 2017-03-27  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module):  Some minor improvements
   
         * imach.c: Summary: Temporary  2022-04-13  Brouard Nicolas  <brouard@brouard.name>
   
 2017-03-08  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Adding link to text data files
   
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed  2022-04-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Fixing data parameter line          * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
   
 2016-12-15  Brouard Nicolas  <brouard@ined.fr>  2022-04-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.99 in progress          * imach.c (Module): Fixed covariates (dummy or quantitative)
           with missing values have never been allowed but are ERRORS and
 2016-09-15  Brouard Nicolas  <brouard@ined.fr>          program quits. Standard deviations of fixed covariates were
           wrongly computed. Mean and standard deviations of time varying
         * imach.c: *** empty log message ***          covariates are still not computed.
   
         * imach.c: Summary: not working  2022-03-17  Brouard Nicolas  <brouard@ined.fr>
   
 2016-09-08  Brouard Nicolas  <brouard@ined.fr>          * 99r25 Improvements in fixing discrepancies between covariates
           missing in result line but in model. 
         * imach.c: Summary: continue  
   *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
 2016-09-07  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
   
         * imach.c: Summary: Starting values from frequencies  *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * ./ (Module): Fixed bug on result:
   
 2016-09-02  Brouard Nicolas  <brouard@ined.fr>  *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Fix bug on quitting after result lines!
           (Module): Version 0.99r21
 2016-08-30  Brouard Nicolas  <brouard@ined.fr>  
   2021-02-12  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Fixing a lots  
           * imach.c (Module): The use of a Windows BOM (huge) file is now an error
 2016-08-29  Brouard Nicolas  <brouard@ined.fr>  
   
         * imach.c: Summary: gnuplot problem in Back projection to fix  2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Better          *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
   
 2016-08-26  Brouard Nicolas  <brouard@ined.fr>  2020-02-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          *  (Module): imach.c Update mle=-3 (for computing Life expectancy
         Summary: Improvement in Powell output in order to copy and paste          and life table from the data without any state)
   
         * imach.c: Summary: Starting tests of 0.99  2019-05-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: to valgrind          * version.h: Summary: version 0.99.r19
   
 2016-08-25  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Projection syntax simplified
           We can now start projections, forward or backward, from the mean date
         * imach.c: *** empty log message ***          of inteviews up to or down to a number of years of projection:
           prevforecast=1 yearsfproj=15.3 mobil_average=0
 2016-08-23  Brouard Nicolas  <brouard@ined.fr>          or
           prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0
         * imach.c: *** empty log message ***          or
           prevbackcast=1 yearsbproj=12.3 mobil_average=1
         * imach.c: Summary: not working          or
           prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
 2016-08-22  Brouard Nicolas  <brouard@ined.fr>  
   2019-05-18  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: not working  
           * imach.c: Summary: doxygen tex bug
         * imach.c: Summary: Not working  
   2019-05-16  Brouard Nicolas  <brouard@ined.fr>
 2016-07-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: There was some wrong lines added
         * imach.c: Summary: Completing for func too  
   2019-05-09  Brouard Nicolas  <brouard@ined.fr>
 2016-07-22  Brouard Nicolas  <brouard@ined.fr>  
           * Makefile, imach.c: *** empty log message ***
         * imach.c: Summary: Fixing some arrays, still debugging  
           * ChangeLog: Summary: C=
 2016-07-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some updates
         * imach.c:  
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          * imach.c: Summary: Before ncovmax
   
 2016-07-12  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * imach.c: Summary: temp          * 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.
         * imach.c: Summary: saving but not running  
   2018-12-13  Brouard Nicolas  <brouard@ined.fr>
 2016-07-01  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: Fixes  
   2018-12-05  Brouard Nicolas  <brouard@ined.fr>
 2016-02-19  Brouard Nicolas  <brouard@ined.fr>  
           * Makefile: Summary: 0.99r16
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * setup.iss, Makefile, version.h: *** empty log message ***  
           * imach.c: Summary: Some bugs fixed
         * imach.c: Summary: temporary  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2016-02-17  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c:  Summary: Bug for young ages (<-30) will be in r17
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
 2016-02-16  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Some bugs fixed
         * imach.c: Summary: minor bug  
   2018-05-01  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.99r2  
           * imach.c:
 2016-02-15  Brouard Nicolas  <brouard@ined.fr>          Summary: Bug fixed by providing frequencies only for non missing covariates
   
         * imach.c: *** empty log message ***  2018-04-27  Brouard Nicolas  <brouard@ined.fr>
   
 2016-02-12  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: some minor bugs
   
         * imach.c: Summary: 0.99 Back projections  2018-04-21  Brouard Nicolas  <brouard@ined.fr>
   
 2015-12-23  Brouard Nicolas  <brouard@ined.fr>          * README.txt: *** empty log message ***
   
         * imach.c: Summary: Experimental backcast          * imach.c: Summary: Some bugs fixed, valgrind tested
   
 2015-12-18  Brouard Nicolas  <brouard@ined.fr>  2018-04-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r4 Warning and status=-2          * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
   
         Version 0.98r4 is now:          * imach.c:
          - displaying an error when status is -1, date of interview unknown and date of death known;          Summary: Computing mean and stdeviation of fixed quantitative variables
          - 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.  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: Some minor bugs fixed
   
 2015-12-16  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * Makefile: *** empty log message ***  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r4 working          * imach.c: *** empty log message ***
   
         * Makefile: Summary: linuxrpm added          * imach.c: Summary: Adding second argument for quitting
   
         * Makefile: *** empty log message ***  2018-02-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: temporary not working          * Makefile, README.txt, imach.c: Summary: 0.99r15
           New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
 2015-12-11  Brouard Nicolas  <brouard@ined.fr>  
   2017-07-20  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r4  
           * imach.c: Summary: temporary working
 2015-12-08  Brouard Nicolas  <brouard@ined.fr>  
   2017-07-19  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
 2015-11-21  Brouard Nicolas  <brouard@ined.fr>  
   2017-07-17  Brouard Nicolas  <brouard@ined.fr>
         * Makefile:  
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more          * imach.c: Summary: BOM files can be read now
   
         * imach.c: Summary: minor typo  2017-06-30  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional          * imach.c: Summary: Graphs improvements
   
         Author: Nicolas Brouard          * imach.c: Summary: Saito's color
   
 2015-11-18  Brouard Nicolas  <brouard@ined.fr>  2017-06-29  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Start working on projected prevalences          * imach.c: Summary: Version 0.99r14
   
 2015-11-17  Brouard Nicolas  <brouard@ined.fr>  2017-06-27  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Adding ftolpl parameter          * imach.c: Summary: More documentation on projections
         Author: N Brouard  
           * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
         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: Some bug with rint
         parameter ftolpl is now an outer parameter of the .imach parameter  
         file after estepm. If ftolpl is small 1.e-4 and estepm too,  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
         computation are long.  
           * imach.c: *** empty log message ***
         * version.h: *** empty log message ***  
   2017-05-23  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: temporary  
           * imach.c: Summary: Code into subroutine, cleanings
 2015-10-27  Brouard Nicolas  <brouard@ined.fr>  
   2017-05-18  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c:
         * setup.iss.in: Summary: some new subdirs          Summary: backprojection and confidence intervals of backprevalence
   
         * imach.c: *** empty log message ***  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
   
         * setup.iss.in:          * imach.c: Summary: temporary save for backprojection
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts  
           * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
 2015-10-24  Brouard Nicolas  <brouard@ined.fr>  
   2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c: Summary: imach 0.99r13 Some bugs fixed
 2015-10-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: Labels in graphs
         * imach.c:  
         Summary: 0.98r3 some clarification for graphs on likelihood contributions  2017-04-24  Brouard Nicolas  <brouard@ined.fr>
   
 2015-10-01  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: to save
   
         * imach.c: Summary: Some new graphs of contribution to likelihood  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
   
 2015-09-30  Brouard Nicolas  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * Makefile:  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
         Summary: Version read from version.h, itself read with cmake  
           * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
         * imach.c: Summary: looking at better estimation of the hessian  
   2017-04-04  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: Gnuplot indexations fixed (humm)
         prevalence in any alive state shold sum to one  
           * imach.c:
         * Makefile: *** empty log message ***          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
 2015-09-22  Brouard Nicolas  <brouard@ined.fr>  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c:          * imach.c: Summary: Version 0.99r12
         Summary: Adding some overall graph on contribution to likelihood. Might change          Some cleanings, conformed with updated documentation.
   
 2015-09-15  Brouard Nicolas  <brouard@ined.fr>  2017-03-30  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * version.h: *** empty log message ***
   
         * imach.c: Summary: 0.98r0          * version.h: Summary:0.99r11
   
         - Some new graphs like suvival functions  2017-03-29  Brouard Nicolas  <brouard@ined.fr>
         - Some bugs fixed like model=1+age+V2.  
           * imach.c: Summary: Temp
         * ChangeLog, Makefile: Summary: 0.98r0  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
         * CMakeLists.txt: Summary: Some tests for setup.iss  
           * imach.c: Summary: Temporary
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
   2017-03-08  Brouard Nicolas  <brouard@ined.fr>
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  
           * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>  
           * imach.c: Summary: Fixing data parameter line
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  
   2016-12-15  Brouard Nicolas  <brouard@ined.fr>
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
           * imach.c: Summary: 0.99 in progress
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)  
   2016-09-15  Brouard Nicolas  <brouard@ined.fr>
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  
           * imach.c: *** empty log message ***
         * imach.c (Module): Merging 1.61 to 1.162  
           * imach.c: Summary: not working
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  
   2016-09-08  Brouard Nicolas  <brouard@ined.fr>
         * prevlim.h (Module):  
           * imach.c: Summary: continue
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  
   2016-09-07  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: Starting values from frequencies
   
 2010-04-29  brouard  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * imach.c (Module): Checking covariates for more complex models  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
         than V1+V2. A lot of change to be done. Unstable.  
           * imach.c: *** empty log message ***
 2010-04-26  brouard  <brouard@ined.fr>  
   2016-08-30  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: Fixing a lots
         get same likelihood as if mle=1.  
         Some cleaning of code and comments added.  2016-08-29  Brouard Nicolas  <brouard@ined.fr>
   
 2009-10-29  brouard  <brouard@ined.fr>          * imach.c: Summary: gnuplot problem in Back projection to fix
   
         * 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: Summary: Better
   
 2006-06-30  Brouard Nicolas  <brouard@localhost>  2016-08-26  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Clarifications on computing e.j          * imach.c:
           Summary: Improvement in Powell output in order to copy and paste
 2006-04-28  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Starting tests of 0.99
         * imach.c (Module): Yes the sum of survivors was wrong since  
         imach-114 because nhstepm was no more computed in the age          * imach.c: Summary: to valgrind
         loop. Now we define nhstepma in the age loop.  
         (Module): In order to speed up (in case of numerous covariates) we  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
         compute health expectancies (without variances) in a first step  
         and then all the health expectancies with variances or standard          * imach.c: *** empty log message ***
         deviation (needs data from the Hessian matrices) which slows the  
         computation.  2016-08-23  Brouard Nicolas  <brouard@ined.fr>
         In the future we should be able to stop the program is only health  
         expectancies and graph are needed without standard deviations.          * imach.c: *** empty log message ***
   
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: not working
   
         * imach.iss (Module):  2016-08-22  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): bugs in evsi + population file added in htm output file          * imach.c: Summary: not working
   
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: Not working
   
         * imach.c (Module):  2016-07-23  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Completing for func too
   
         * imach.c (Module): <title> changed, corresponds to .htm file  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
         name. <head> headers where missing.  
           * imach.c: Summary: Fixing some arrays, still debugging
         * Makefile (Module): 0.98g  
   2016-07-21  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:
         otherwise the weight is truncated).          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
         Modification of warning when the covariates values are not 0 or  
         1.  2016-07-12  Brouard Nicolas  <brouard@ined.fr>
         Version 0.98g  
           * imach.c: Summary: temp
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           * imach.c: Summary: saving but not running
         * imach.c (Module): Comments concerning covariates added  
   2016-07-01  Brouard Nicolas  <brouard@ined.fr>
         * noreg-setup.iss (Module): Version 0.98f  
           * imach.c: Summary: Fixes
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup  
   2016-02-19  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): refinements in the computation of lli if  
         status=-2 in order to have more reliable computation if stepm is          * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
         not 1 month. Version 0.98f  
           * setup.iss, Makefile, version.h: *** empty log message ***
 2006-03-15  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: temporary
         * imach.c (Module): Bug if status = -2, the loglikelihood was  
         computed as likelihood omitting the logarithm. Version O.98e  2016-02-17  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Probably last 0.98 stable version 0.98r6
   
         * imach.c (Module): varevsij Comments added explaining the second  2016-02-16  Brouard Nicolas  <brouard@ined.fr>
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.          * imach.c: Summary: minor bug
         (Module): Function pstamp added  
         (Module): Version 0.98d          * imach.c: Summary: 0.99r2
   
 2006-03-06  Brouard Nicolas  <brouard@localhost>  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Variance-covariance wrong links and          * imach.c: *** empty log message ***
         varian-covariance of ej. is needed (Saito).  
   2016-02-12  Brouard Nicolas  <brouard@ined.fr>
 2006-02-27  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: 0.99 Back projections
         * imach.c (Module): One freematrix added in mlikeli!  
   2015-12-23  Brouard Nicolas  <brouard@ined.fr>
 2006-02-26  Brouard Nicolas  <brouard@localhost>  
           * imach.c: Summary: Experimental backcast
         * imach.c (Module): Some improvements in processing parameter  
         filename with strsep.  2015-12-18  Brouard Nicolas  <brouard@ined.fr>
   
 2006-02-24  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: 0.98r4 Warning and status=-2
   
         * imach.c (Module): Memory leaks checks with valgrind and:          Version 0.98r4 is now:
         datafile was not closed, some imatrix were not freed and on matrix           - displaying an error when status is -1, date of interview unknown and date of death known;
         allocation too.           - 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.
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           * Makefile: *** empty log message ***
         * strsep.c (Module): Inclusion because not in mingw32!!!  
   2015-12-16  Brouard Nicolas  <brouard@ined.fr>
         * setup.iss.in (Module): IMACHSETUPVERSION added  
           * Makefile: *** empty log message ***
         * noreg-setup.iss (Module): added to cvs tree  
           * imach.c: Summary: 0.98r4 working
         * Makefile (Module): IMACHSETUPVERSION added  
           * Makefile: Summary: linuxrpm added
 2006-01-30  BROUARD Nicolas  <brouard@localhost>  
           * Makefile: *** empty log message ***
         * Makefile (Module, Module): Latest Makefile  
           * imach.c: Summary: temporary not working
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe  
   2015-12-11  Brouard Nicolas  <brouard@ined.fr>
 2006-01-27  BROUARD Nicolas  <brouard@localhost>  
           * imach.c: Summary: 0.98r4
         * noreg-setup.iss (Module): ADDED  
   2015-12-08  Brouard Nicolas  <brouard@ined.fr>
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  
           * Makefile: *** empty log message ***
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.  
   2015-11-21  Brouard Nicolas  <brouard@ined.fr>
 2005-10-25  Nicolas Brouard  <brouard@dhcp171.recherche.ined.fr>  
           * Makefile:
         * Makefile (Module): Added Imach98.pmsp and howto crete a dmg          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
   
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X          * imach.c: Summary: minor typo
   
 2005-09-30    <lievre@PC_00595>          * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional
   
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.          Author: Nicolas Brouard
         (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  2015-11-18  Brouard Nicolas  <brouard@ined.fr>
         (instead of missing=-1 in earlier versions) and his/her  
         contributions to the likelihood is 1 - Prob of dying from last          * imach.c: Summary: Start working on projected prevalences
         health status (= 1-p13= p11+p12 in the easiest case of somebody in  
         the healthy state at last known wave). Version is 0.98  2015-11-17  Brouard Nicolas  <brouard@ined.fr>
   
 2004-05-20  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Adding ftolpl parameter
           Author: N Brouard
         * imach.c (Repository):  
         Agnes added a direct estimation of mortality (without the need of          We had difficulties to get smoothed confidence intervals. It was due
         computing period prevalence and differential mortality). Thus here          to the period prevalence which wasn't computed accurately. The inner
         is version 0.97a which has been distributed to some people at          parameter ftolpl is now an outer parameter of the .imach parameter
         REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of          file after estepm. If ftolpl is small 1.e-4 and estepm too,
         mortality using covariates is not done today. Estimating direct          computation are long.
         mortality is a very different process because it doesn't need  
         interpolation because it is easy to get the lx from the force of          * version.h: *** empty log message ***
         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          * imach.c: Summary: temporary
         within former imach program (0.96d) without deteriorating too much  
         the understanding of the program.  2015-10-27  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-25    <brouard@BROUARD>          * Makefile: *** empty log message ***
   
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't          * setup.iss.in: Summary: some new subdirs
         exist so I changed back to asctime which exists.  
         (Module): Version 0.96b          * imach.c: *** empty log message ***
   
 2003-06-24    <brouard@BROUARD>          * setup.iss.in:
           Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
         * imach.c (Module): Some bugs corrected for windows. Also, when  
         mle=-1 a template is output in file "or"mypar.txt with the design  2015-10-24  Brouard Nicolas  <brouard@ined.fr>
         of the covariance matrix to be input.  
           * imach.c: *** empty log message ***
 2003-06-25  Brouard Nicolas  <brouard@homebrou>  
   2015-10-23  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Repository): Duplicated warning errors corrected.  
         (Repository): Elapsed time after each iteration is now output. It          * imach.c:
         helps to forecast when convergence will be reached. Elapsed time          Summary: 0.98r3 some clarification for graphs on likelihood contributions
         is stamped in powell.  We created a new html file for the graphs  
         concerning matrix of covariance. It has extension -cov.htm.  2015-10-01  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * imach.c: Summary: Some new graphs of contribution to likelihood
   
         * 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.  2015-09-30  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-18  Brouard Nicolas  <brouard@homebrou>          * Makefile:
           Summary: Version read from version.h, itself read with cmake
         * imach.c (Repository): Suppress abusive calls to append to file html (solution was to put fichtm as a global variable. Version 0.96  
           * imach.c: Summary: looking at better estimation of the hessian
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
           Also a better criteria for convergence to the period prevalence And
           therefore adding the number of years needed to converge. (The
         * imach.c (Repository): Check when date of death was earlier that          prevalence in any alive state shold sum to one
         current date of interview. It may happen when the death was just  
         prior to the death. In this case, dh was negative and likelihood          * Makefile: *** empty log message ***
         was wrong (infinity). We still send an "Error" but patch by  
         assuming that the date of death was just one stepm after the  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
         interview.  
         (Repository): Because some people have very long ID (first column)          * imach.c:
         we changed int to long in num[] and we added a new lvector for          Summary: Adding some overall graph on contribution to likelihood. Might change
         memory allocation. But we also truncated to 8 characters (left  
         truncation)  2015-09-15  Brouard Nicolas  <brouard@ined.fr>
   
         (Repository): No more line truncation errors.          * Makefile: *** empty log message ***
   
 2003-06-14  Brouard Nicolas  <brouard@homebrou>          * imach.c: Summary: 0.98r0
   
         * imach.c (Repository): Add of a routine likelione (likelihood          - Some new graphs like survival functions
         only once) which prints on a text file          - Some bugs fixed like model=1+age+V2.
         (ilk) the contributions to the likelihood for each  
         individual/wave.          * ChangeLog, Makefile: Summary: 0.98r0
   
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          * CMakeLists.txt: Summary: Some tests for setup.iss
         * imach.c (Repository): Replace "freqsummary" at a correct  
         place. It differs from routine "prevalence" which may be called  2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         many times. Probs is memory consuming and must be used with  
         parcimony.          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
   
 2003-06-17    <brouard@BROUARD>  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
   
         * timeval.h (Module): Added included file to make use of          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         gettimeofday working on win32 with cygwin.  
   2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
 2003-05-16  Brouard Nicolas  <brouard@brouard>  
         * imach.c (Module): Insert of a warning if the delay between two          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
         waves is negative.  
   2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         * imach.c (Module):  
           * imach.c (Module): Merging 1.61 to 1.162
 2003-05-03    <brouard@BROUARD>  
   2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
         * imach.c: Some cleaning  
           * prevlim.h (Module): 
 2003-03-28    <brouard@BROUARD>  
         * imach.c (Module): In version up to 0.92 likelihood was computed  2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
         as if date of death was unknown. Death was treated as any other  
         health state: the date of the interview describes the actual state          * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
         and not the date of a change in health state. The former idea was          (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
         to consider that at each interview the state was recorded  
         (healthy, disable or death) and IMaCh was corrected; but when we  2010-04-29  brouard  <brouard@ined.fr>
         introduced the exact date of death then we should have modified  
         the contribution of an exact death to the likelihood. This new          * imach.c (Module): Checking covariates for more complex models
         contribution is smaller and very dependent of the step unit          than V1+V2. A lot of change to be done. Unstable.
         stepm. It is no more the probability to die between last interview  
         and month of death but the probability to survive from last  2010-04-26  brouard  <brouard@ined.fr>
         interview up to one month before death multiplied by the  
         probability to die within a month. Thanks to Chris          * imach.c (Module): merging some libgsl code. Fixing computation
         Jackson for correcting this bug.  Former versions increased          of likelione (using inter/intrapolation if mle = 0) in order to
         mortality artificially. The bad side is that we add another loop          get same likelihood as if mle=1.
           Some cleaning of code and comments added.
   
         which slows down the processing. The difference can be up to 10%  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.
         lower mortality.  
   2006-06-30  Brouard Nicolas  <brouard@localhost>
   
           * imach.c (Module): Clarifications on computing e.j
   
   2006-04-28  Brouard Nicolas  <brouard@localhost>
 2002-05-30    <brouard@BROUARD>  
           * 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.
   
         * imach.c (Module): Add correlation matrix of one-step  2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>
   
           * imach.iss (Module): 
         probabilities and covariance matrix  
           * 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.1.45  
changed lines
  Added in v.1.70

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