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version 1.46, 2022/03/15 18:40:36 version 1.74, 2024/07/08 14:25:11
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 *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>  2024-07-08  Nicolas Brouard   <brouard@ined.fr>
         * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett  
           * imach.c (Module): Some bug fixes: in drawings when age*age is
 *2021-03-08  Nicolas Brouard   <brouard@ined.fr>          included in the model as well as with quantitative variables.
   
         * ./ (Module): Fixed bug on result:  2024-07-02  Nicolas Brouard  <brouard@ined.fr>
   
 *2021-02-20  Nicolas Brouard   <brouard@ined.fr>          * imach.c (Module): Trying compiling on Linux with clang (instead
           of gcc which is too slow) and lot of warnings suppressed
         * imach.c (Module): Fix bug on quitting after result lines!  
         (Module): Version 0.99r21  2024-06-28  Nicolas Brouard   <brouard@ined.fr>
   
 2021-02-12  Nicolas Brouard   <brouard@ined.fr>          * imach.c (Module): fixing some bugs in gnuplot and quantitative
           variables, but not completely solved
         * imach.c (Module): The use of a Windows BOM (huge) file is now an error  
   2024-06-28  Nicolas Brouard  <brouard@ined.fr>
   
 2021-02-11  Nicolas  Brouard   <brouard@ined.fr>          * imach.c (Module): s6 errors with age*age (harmless).
   
         *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.  2024-05-12  Nicolas Brouard   <brouard@ined.fr>
   
 2020-02-22  Brouard Nicolas  <brouard@ined.fr>          * imach.c Version 0.99s5 In fact, the covariance of total life
           expectancy e.. with a partial life expectancy e.j is high,
         *  (Module): imach.c Update mle=-3 (for computing Life expectancy          therefore the complete matrix of variance covariance has to be
         and life table from the data without any state)          included in the formula of the standard error of the proportion of
           total life expectancy spent in a specific state:
 2019-05-20  Brouard Nicolas  <brouard@ined.fr>          var(X/Y)=mu_x^2/mu_y^2*(sigma_x^2/mu_x^2 -2
           sigma_xy/mu_x/mu_y+sigma^2/mu_y^2).  Also an error with mle=-3
         * version.h: Summary: version 0.99.r19          made the program core dump. It is fixed in this version.
   
         * imach.c: Summary: Projection syntax simplified  2024-04-30  Nicolas Brouard   <brouard@ined.fr>
         We can now start projections, forward or backward, from the mean date  
         of inteviews up to or down to a number of years of projection:          * (Module): In version 0.99s4, we incorporated the calculation of
         prevforecast=1 yearsfproj=15.3 mobil_average=0          the std error of the proportion of total life expectancy spent in
         or          a specific state Var(e.j/e..) using the formula of Var(X/Y)
         prevforecast=1 starting-proj-date=1/1/2007 final-proj-date=12/31/2017 mobil_average=0          depending only of the variances of X and Y and expectancies.
         or  
         prevbackcast=1 yearsbproj=12.3 mobil_average=1  2024-04-24  Nicolas Brouard   <brouard@ined.fr>
         or  
         prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1          * (Module): This version comes late after having tested
           successfully the praxis C version of Buckhardt.  But Buckardt's
 2019-05-18  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
         * imach.c: Summary: doxygen tex bug          results.  The most important work consisted in retyping the Brent
           original PRAXIS program written in Algol W (published with errors,
 2019-05-16  Brouard Nicolas  <brouard@ined.fr>          ommitting the transposition of matrix V before its QR reduction
           from Golub. I used the recent "awe" compiler from Gkynn Webster.
         * imach.c: Summary: There was some wrong lines added          The awe library had errors, for example in arc tangent function
           which have been fixed.
 2019-05-09  Brouard Nicolas  <brouard@ined.fr>  
           The main objective was to get identical results with the three
         * Makefile, imach.c: *** empty log message ***          versions: (1) Algol W, (2) Buckhardt'C version as well (3)
           Gegenfürtner C versions on the various test functions published by
         * ChangeLog: Summary: C=          Brent in 1973 in Algol W.
   
         * imach.c: Summary: Some updates          Also, in order to compare them, the random function had to produce
           the same sequence for the 3 softwares. The random function used in
         * imach.c: Summary: Before ncovmax          imach corresponds to original Brent's random function written in
           Algol W.  Other point, in Algol W, the arrays of dimension n are
         * version.h: *** empty log message ***          '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: 0.99r18 unlimited number of individuals          n-1. In Buckhardt, as well as in Gegenfürtner C code, it can be
         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.          seen that authors while trying to mimick original Brent Algol W
           code are hesitating by changing either a loop originally from 1 to
 2018-12-13  Brouard Nicolas  <brouard@ined.fr>          n in a loop from 0 to n-1, or keeping Brent's loop from 1 to n and
           shifting the index from original X(I) in Algol W to x[i-1] in C.
         * imach.c: Summary: Bug for young ages (<-30) will be in r17          But as IMaCh is using, since the beginning, the Numerical Recipes
           functions vector or matrix, I changed Geggenfürtner code to mimick
 2018-12-05  Brouard Nicolas  <brouard@ined.fr>          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
         * Makefile: Summary: 0.99r16          published in Algol with overflow errors which were reproduced in
           Brent's Algol W code. Buckhardt code fixed these errors which are
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          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
         * imach.c: Summary: Some bugs fixed          style is horrible and almost unreadable compared to Gegenfürtner
           CO code which is very close to Brent's original. Also what makes
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          Buckhardt code more difficult to read is, instead of passing the
           minimum of parameters in the functions calls, as it is in Algol
         * imach.c:  Summary: Bug for young ages (<-30) will be in r17          Brent's code or Gegenfürtner's code, the list of parameters is
           high. For example, the flin function LONG REAL PROCEDURE FLIN
 2018-05-02  Brouard Nicolas  <brouard@ined.fr>          (LONG REAL VALUE L) has only one parameter in Algol W, the
           Gegenfürtner flin function had two parameters: static double
         * imach.c: Summary: Some bugs fixed          flin(l, j) double l; { int i; double tflin[N];} but Buckhardt
           function has 14 parameters which makes the code unreadable and
 2018-05-01  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:          were fixed to N. In my adaptation the flin is static double
         Summary: Bug fixed by providing frequencies only for non missing covariates          flin(double l, int j) and the parameter used are global variables.
   
 2018-04-27  Brouard Nicolas  <brouard@ined.fr>  2023-06-14  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: some minor bugs          * imach.c (Module): Testing if conjugate gradient could be quicker
           when lot of variables POWELLORIGINCONJUGATE
 2018-04-21  Brouard Nicolas  <brouard@ined.fr>  
   2023-05-23  Nicolas Brouard   <brouard@ined.fr>
         * README.txt: *** empty log message ***  
           * imach.c (Module): Fixed PROB_r 
         * imach.c: Summary: Some bugs fixed, valgrind tested  
   2023-05-22  Nicolas Brouard   <brouard@ined.fr>
 2018-04-20  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): In the ILK....txt file, the number of columns
         * Makefile, README.txt, setup.iss: Summary: imach 0.99r16          before the covariates values is dependent of the number of states (16+nlstate): 0.99r46
   
         * imach.c:  2023-05-08  Nicolas Brouard   <brouard@ined.fr>
         Summary: Computing mean and stdeviation of fixed quantitative variables  
           *  (Module): Error V0 when result:. and model 1+age+V1: fixed
 2018-04-19  Brouard Nicolas  <brouard@ined.fr>  
   2023-04-29  Nicolas Brouard  <brouard@ined.fr>
         * imach.c: Summary: Some minor bugs fixed  
           * imach.c (Module): Inverting the model equation and fixingg bugs
         * version.h: *** empty log message ***          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"
 2018-02-27  Brouard Nicolas  <brouard@ined.fr>  
   2023-04-24  Nicolas Brouard  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c (Module): some bugs in printinggnuplot 
         * imach.c: Summary: Adding second argument for quitting  
   2022-09-19  Nicolas Brouard   <brouard@ined.fr>
 2018-02-21  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Version 0.99r42 needed a newer version of
         * Makefile, README.txt, imach.c: Summary: 0.99r15          Gnuplot. But newer version 0.99r43 should run with the Gnuplot
         New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c          version 5.0 or 5.1 distributed with IMaCh.
   
 2017-07-20  Brouard Nicolas  <brouard@ined.fr>  2022-09-18  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: temporary working          * imach.c (Module): Fixing when a state in the data is 0 or higher
           than lstate+ndeath. Fixing the plot of contribution to Likelihood.
 2017-07-19  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-16  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)  
           * imach.c (Module): 0.99r41 Was an error when product of timevarying and fixed. Using FixedV[of name] now. Thank you  Feinuo
 2017-07-17  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: BOM files can be read now  
           * imach.c (Module): Fixing names of variables in T_ (thanks to Feinuo)
 2017-06-30  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-14  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Graphs improvements  
           * imach.c (Module): Version 0.99r39 with colored dummy covariates
         * imach.c: Summary: Saito's color          (fixed or time varying), using new last columns of
           ILK_parameter.txt file.
 2017-06-29  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-11  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Version 0.99r14  
           * imach.c (Module): Adding timevarying products of any kinds,
 2017-06-27  Brouard Nicolas  <brouard@ined.fr>          should work before shifting cotvar from ncovcol+nqv columns in
           order to have a correspondance between the column of cotvar and
         * imach.c: Summary: More documentation on projections          the id of column.
           (Module): Some cleaning and adding covariates in ILK.txt
         * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)  
   2022-09-09  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Some bug with rint  
           * imach.c (Module): Many improvements for fixing products of fixed
 2017-05-24  Brouard Nicolas  <brouard@ined.fr>          timevarying as well as fixed * fixed, and test with quantitative
           covariate.
         * imach.c: *** empty log message ***  
   2022-09-04  Nicolas Brouard   <brouard@ined.fr>
 2017-05-23  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Now the easy runs i.e. without result or
         * imach.c: Summary: Code into subroutine, cleanings          model=1+age only did not work. The defautl combination should be 1
           and not 0 because everything hasn't been tranformed yet.
 2017-05-18  Brouard Nicolas  <brouard@ined.fr>  
   2022-09-02  Nicolas Brouard   <brouard@ined.fr>
         * imach.c:  
         Summary: backprojection and confidence intervals of backprevalence          * imach.c: Version 0.99r35 because it outputs same results with
           1+age+V1+V1*age for females and 1+age for females only
 2017-05-13  Brouard Nicolas  <brouard@ined.fr>          (education=1 noweight)
   
         * imach.c: Summary: temporary save for backprojection  2022-08-31  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)          * imach.c (Module): Some improvments in fichtm and many verifications 0.99r34
   
 2017-04-26  Brouard Nicolas  <brouard@ined.fr>  2022-08-21  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: Summary: imach 0.99r13 Some bugs fixed          * imach.c (Module): Version 0.99r33 A lot of changes in
           reassigning covariates: my first idea was that people will always
         * imach.c: Summary: Labels in graphs          use the first covariate V1 into the model but in fact they are
           producing data with many covariates and can use an equation model
 2017-04-24  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: to save          three covariates (V1, V2, V3) the value of Tvaraff[j], but in fact
           the equation model is restricted to two variables only (V2, V3)
 2017-04-18  Brouard Nicolas  <brouard@ined.fr>          and the combination for V2 should be codtabm(k,1) instead of
           (codtabm(k,2), and the code should be
         * imach.c: *** empty log message ***          codtabm(k,TnsdVar[Tvaraff[j]]. Many many changes have been
           made. All of these should be simplified once a day like we did in
 2017-04-05  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: Bug in E_ as well as in T_ fixed nres-1 vs k1-1          on the equation model globally by distinguishing only product with
           age (which are changing with age) and no more on type of
 2017-04-04  Brouard Nicolas  <brouard@ined.fr>          covariates, single dummies, single covariates. 
   
         * imach.c: Summary: Gnuplot indexations fixed (humm)  2022-08-06  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c:          *  imach.c (Module): Version of imach using partly decoderesult to rebuild xpxij function
         Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3  
   2022-08-03  Nicolas Brouard   <brouard@ined.fr>
 2017-04-03  Brouard Nicolas  <brouard@ined.fr>  
           *  imach.c (Module): Many errors in graphs fixed with Vn*age covariates.
         * imach.c: Summary: Version 0.99r12  
         Some cleanings, conformed with updated documentation.  2022-07-25  Brouard Nicolas  <brouard@brouard.name>
   
 2017-03-30  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Error cptcovn instead of nsd in bmij (was
           coredumped, revealed by Feiuno, thank you.
         * version.h: *** empty log message ***  
   2022-07-23  Nicolas Brouard   <brouard@ined.fr>
         * version.h: Summary:0.99r11  
           * r29 W and not sqrt(Wald)
 2017-03-29  Brouard Nicolas  <brouard@ined.fr>  
   2022-07-22  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: Temp  
           *  imach.c (Module): Output of Wald test in the htm file and not only in the log. 
 2017-03-27  Brouard Nicolas  <brouard@ined.fr>  
   2022-06-02  Brouard Nicolas  <brouard@brouard.name>
         * imach.c: Summary: Temporary  
           * imach.c (Module): Adding the Wald tests from the log to the main
 2017-03-08  Brouard Nicolas  <brouard@ined.fr>          htm for better display of the maximum likelihood estimators.
   
         * imach.c: Summary: IMaCh version 0.99r10 bugs in gnuplot fixed  2022-05-30  Brouard Nicolas  <brouard@brouard.name>
   
         * imach.c: Summary: Fixing data parameter line          * imach.c: With products of covariates (age or dummies or
           quantitatives), estimates of parameters were good but when
 2016-12-15  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: 0.99 in progress  
   2022-05-24  Nicolas Brouard   <brouard@ined.fr>
 2016-09-15  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c (Module): Some attempts to find a bug of wrong estimates
         * imach.c: *** empty log message ***          of confidencce intervals with product in the equation modelC
   
         * imach.c: Summary: not working  2022-05-15  Nicolas Brouard   <brouard@ined.fr>
   
 2016-09-08  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module):  Some minor improvements
   
         * imach.c: Summary: continue  2022-04-13  Brouard Nicolas  <brouard@brouard.name>
   
 2016-09-07  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Adding link to text data files
   
         * imach.c: Summary: Starting values from frequencies  2022-04-11  Nicolas Brouard   <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Error in rewriting the 'r' file with yearsfproj or yearsbproj fixed
   
 2016-09-02  Brouard Nicolas  <brouard@ined.fr>  2022-04-05  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: *** empty log message ***          * imach.c (Module): Fixed covariates (dummy or quantitative)
           with missing values have never been allowed but are ERRORS and
 2016-08-30  Brouard Nicolas  <brouard@ined.fr>          program quits. Standard deviations of fixed covariates were
           wrongly computed. Mean and standard deviations of time varying
         * imach.c: Summary: Fixing a lots          covariates are still not computed.
   
 2016-08-29  Brouard Nicolas  <brouard@ined.fr>  2022-03-17  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: gnuplot problem in Back projection to fix          * 99r25 Improvements in fixing discrepancies between covariates
           missing in result line but in model. 
         * imach.c: Summary: Better  
   *Wed Mar 31 2021  Nicolas Brouard   <brouard@ined.fr>
 2016-08-26  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): Still bugs in the result loop. Thank to Holly Benett
   
         * imach.c:  *2021-03-08  Nicolas Brouard   <brouard@ined.fr>
         Summary: Improvement in Powell output in order to copy and paste  
           * ./ (Module): Fixed bug on result:
         * imach.c: Summary: Starting tests of 0.99  
   *2021-02-20  Nicolas Brouard   <brouard@ined.fr>
         * imach.c: Summary: to valgrind  
           * imach.c (Module): Fix bug on quitting after result lines!
 2016-08-25  Brouard Nicolas  <brouard@ined.fr>          (Module): Version 0.99r21
   
         * imach.c: *** empty log message ***  2021-02-12  Nicolas Brouard   <brouard@ined.fr>
   
 2016-08-23  Brouard Nicolas  <brouard@ined.fr>          * imach.c (Module): The use of a Windows BOM (huge) file is now an error
   
         * imach.c: *** empty log message ***  
   2021-02-11  Nicolas  Brouard   <brouard@ined.fr>
         * imach.c: Summary: not working  
           *  (Module): imach.c Someone entered 'results:' instead of 'result:'. Now it is an error which is printed.
 2016-08-22  Brouard Nicolas  <brouard@ined.fr>  
   2020-02-22  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: not working  
           *  (Module): imach.c Update mle=-3 (for computing Life expectancy
         * imach.c: Summary: Not working          and life table from the data without any state)
   
 2016-07-23  Brouard Nicolas  <brouard@ined.fr>  2019-05-20  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Completing for func too          * version.h: Summary: version 0.99.r19
   
 2016-07-22  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: Summary: Fixing some arrays, still debugging          of inteviews up to or down to a number of years of projection:
           prevforecast=1 yearsfproj=15.3 mobil_average=0
 2016-07-21  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:          or
         Summary: 0.99 working (more or less) for Asian Workshop on multitate methods          prevbackcast=1 yearsbproj=12.3 mobil_average=1
           or
 2016-07-12  Brouard Nicolas  <brouard@ined.fr>          prevbackcast=1 starting-back-date=1/10/1999 final-back-date=1/1/1985 mobil_average=1
   
         * imach.c: Summary: temp  2019-05-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: saving but not running          * imach.c: Summary: doxygen tex bug
   
 2016-07-01  Brouard Nicolas  <brouard@ined.fr>  2019-05-16  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c: Summary: Fixes          * imach.c: Summary: There was some wrong lines added
   
 2016-02-19  Brouard Nicolas  <brouard@ined.fr>  2019-05-09  Brouard Nicolas  <brouard@ined.fr>
   
         * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7          * Makefile, imach.c: *** empty log message ***
   
         * setup.iss, Makefile, version.h: *** empty log message ***          * ChangeLog: Summary: C=
   
         * imach.c: Summary: temporary          * imach.c: Summary: Some updates
   
 2016-02-17  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Before ncovmax
   
         * imach.c: Summary: Probably last 0.98 stable version 0.98r6          * version.h: *** empty log message ***
   
 2016-02-16  Brouard Nicolas  <brouard@ined.fr>          * 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: minor bug  
   2018-12-13  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.99r2  
           * imach.c: Summary: Bug for young ages (<-30) will be in r17
 2016-02-15  Brouard Nicolas  <brouard@ined.fr>  
   2018-12-05  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * Makefile: Summary: 0.99r16
 2016-02-12  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.99 Back projections  
           * imach.c: Summary: Some bugs fixed
 2015-12-23  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Experimental backcast  
           * imach.c:  Summary: Bug for young ages (<-30) will be in r17
 2015-12-18  Brouard Nicolas  <brouard@ined.fr>  
   2018-05-02  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r4 Warning and status=-2  
           * imach.c: Summary: Some bugs fixed
         Version 0.98r4 is now:  
          - displaying an error when status is -1, date of interview unknown and date of death known;  2018-05-01  Brouard Nicolas  <brouard@ined.fr>
          - 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:
           Summary: Bug fixed by providing frequencies only for non missing covariates
         * Makefile: *** empty log message ***  
   2018-04-27  Brouard Nicolas  <brouard@ined.fr>
 2015-12-16  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c: Summary: some minor bugs
         * Makefile: *** empty log message ***  
   2018-04-21  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: 0.98r4 working  
           * README.txt: *** empty log message ***
         * Makefile: Summary: linuxrpm added  
           * imach.c: Summary: Some bugs fixed, valgrind tested
         * Makefile: *** empty log message ***  
   2018-04-20  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: temporary not working  
           * Makefile, README.txt, setup.iss: Summary: imach 0.99r16
 2015-12-11  Brouard Nicolas  <brouard@ined.fr>  
           * imach.c:
         * imach.c: Summary: 0.98r4          Summary: Computing mean and stdeviation of fixed quantitative variables
   
 2015-12-08  Brouard Nicolas  <brouard@ined.fr>  2018-04-19  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: Summary: Some minor bugs fixed
   
 2015-11-21  Brouard Nicolas  <brouard@ined.fr>          * version.h: *** empty log message ***
   
         * Makefile:  2018-02-27  Brouard Nicolas  <brouard@ined.fr>
         Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more  
           * imach.c: *** empty log message ***
         * imach.c: Summary: minor typo  
           * imach.c: Summary: Adding second argument for quitting
         * imach.c: Summary: 0.98r3 with some graph of projected cross-sectional  
   2018-02-21  Brouard Nicolas  <brouard@ined.fr>
         Author: Nicolas Brouard  
           * Makefile, README.txt, imach.c: Summary: 0.99r15
 2015-11-18  Brouard Nicolas  <brouard@ined.fr>          New Makefile with recent VirtualBox 5.26. Bug in sqrt negatve in imach.c
   
         * imach.c: Summary: Start working on projected prevalences  2017-07-20  Brouard Nicolas  <brouard@ined.fr>
   
 2015-11-17  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: temporary working
   
         * imach.c: Summary: Adding ftolpl parameter  2017-07-19  Brouard Nicolas  <brouard@ined.fr>
         Author: N Brouard  
           * imach.c: Summary: Bug for mobil_average=0 and prevforecast fixed(?)
         We had difficulties to get smoothed confidence intervals. It was due  
         to the period prevalence which wasn't computed accurately. The inner  2017-07-17  Brouard Nicolas  <brouard@ined.fr>
         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: BOM files can be read now
         computation are long.  
   2017-06-30  Brouard Nicolas  <brouard@ined.fr>
         * version.h: *** empty log message ***  
           * imach.c: Summary: Graphs improvements
         * imach.c: Summary: temporary  
           * imach.c: Summary: Saito's color
 2015-10-27  Brouard Nicolas  <brouard@ined.fr>  
   2017-06-29  Brouard Nicolas  <brouard@ined.fr>
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Version 0.99r14
         * setup.iss.in: Summary: some new subdirs  
   2017-06-27  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: *** empty log message ***  
           * imach.c: Summary: More documentation on projections
         * setup.iss.in:  
         Summary: Adding gnuplot 5.1 with bin and etc for pango fonts          * imach.c: Summary: Color of backprojection changed from 6 to 5(yellow)
   
 2015-10-24  Brouard Nicolas  <brouard@ined.fr>          * imach.c: Summary: Some bug with rint
   
         * imach.c: *** empty log message ***  2017-05-24  Brouard Nicolas  <brouard@ined.fr>
   
 2015-10-23  Brouard Nicolas  <brouard@ined.fr>          * imach.c: *** empty log message ***
   
         * imach.c:  2017-05-23  Brouard Nicolas  <brouard@ined.fr>
         Summary: 0.98r3 some clarification for graphs on likelihood contributions  
           * imach.c: Summary: Code into subroutine, cleanings
 2015-10-01  Brouard Nicolas  <brouard@ined.fr>  
   2017-05-18  Brouard Nicolas  <brouard@ined.fr>
         * imach.c: Summary: Some new graphs of contribution to likelihood  
           * imach.c:
 2015-09-30  Brouard Nicolas  <brouard@ined.fr>          Summary: backprojection and confidence intervals of backprevalence
   
         * Makefile:  2017-05-13  Brouard Nicolas  <brouard@ined.fr>
         Summary: Version read from version.h, itself read with cmake  
           * imach.c: Summary: temporary save for backprojection
         * imach.c: Summary: looking at better estimation of the hessian  
           * imach.c: Summary: Version 0.99r13 (improvements and bugs fixed)
         Also a better criteria for convergence to the period prevalence And  
         therefore adding the number of years needed to converge. (The  2017-04-26  Brouard Nicolas  <brouard@ined.fr>
         prevalence in any alive state shold sum to one  
           * imach.c: Summary: imach 0.99r13 Some bugs fixed
         * Makefile: *** empty log message ***  
           * imach.c: Summary: Labels in graphs
 2015-09-22  Brouard Nicolas  <brouard@ined.fr>  
   2017-04-24  Brouard Nicolas  <brouard@ined.fr>
         * imach.c:  
         Summary: Adding some overall graph on contribution to likelihood. Might change          * imach.c: Summary: to save
   
 2015-09-15  Brouard Nicolas  <brouard@ined.fr>  2017-04-18  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile: *** empty log message ***          * imach.c: *** empty log message ***
   
         * imach.c: Summary: 0.98r0  2017-04-05  Brouard Nicolas  <brouard@ined.fr>
   
         - Some new graphs like survival functions          * imach.c: Summary: Bug in E_ as well as in T_ fixed nres-1 vs k1-1
         - Some bugs fixed like model=1+age+V2.  
   2017-04-04  Brouard Nicolas  <brouard@ined.fr>
         * ChangeLog, Makefile: Summary: 0.98r0  
           * imach.c: Summary: Gnuplot indexations fixed (humm)
         * CMakeLists.txt: Summary: Some tests for setup.iss  
           * imach.c:
 2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>          Summary: Some errors to warnings only if date of death is unknown but status is death we could set to pi3
   
         *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc  2017-04-03  Brouard Nicolas  <brouard@ined.fr>
   
 2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>          * imach.c: Summary: Version 0.99r12
           Some cleanings, conformed with updated documentation.
         *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.  
   2017-03-30  Brouard Nicolas  <brouard@ined.fr>
 2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>  
           * version.h: *** empty log message ***
         *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)  
           * version.h: Summary:0.99r11
 2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>  
   2017-03-29  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Merging 1.61 to 1.162  
           * imach.c: Summary: Temp
 2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>  
   2017-03-27  Brouard Nicolas  <brouard@ined.fr>
         * prevlim.h (Module):  
           * imach.c: Summary: Temporary
 2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>  
   2017-03-08  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: IMaCh version 0.99r10 bugs in gnuplot fixed
   
 2010-04-29  brouard  <brouard@ined.fr>          * imach.c: Summary: Fixing data parameter line
   
         * imach.c (Module): Checking covariates for more complex models  2016-12-15  Brouard Nicolas  <brouard@ined.fr>
         than V1+V2. A lot of change to be done. Unstable.  
           * imach.c: Summary: 0.99 in progress
 2010-04-26  brouard  <brouard@ined.fr>  
   2016-09-15  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: *** empty log message ***
         get same likelihood as if mle=1.  
         Some cleaning of code and comments added.          * imach.c: Summary: not working
   
 2009-10-29  brouard  <brouard@ined.fr>  2016-09-08  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Now imach stops if date of birth, at least year of birth, is not given. Some cleaning of the code.          * imach.c: Summary: continue
   
 2006-06-30  Brouard Nicolas  <brouard@localhost>  2016-09-07  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Clarifications on computing e.j          * imach.c: Summary: Starting values from frequencies
   
 2006-04-28  Brouard Nicolas  <brouard@localhost>          * imach.c: *** empty log message ***
   
         * imach.c (Module): Yes the sum of survivors was wrong since  2016-09-02  Brouard Nicolas  <brouard@ined.fr>
         imach-114 because nhstepm was no more computed in the age  
         loop. Now we define nhstepma in the age loop.          * imach.c: *** empty log message ***
         (Module): In order to speed up (in case of numerous covariates) we  
         compute health expectancies (without variances) in a first step  2016-08-30  Brouard Nicolas  <brouard@ined.fr>
         and then all the health expectancies with variances or standard  
         deviation (needs data from the Hessian matrices) which slows the          * imach.c: Summary: Fixing a lots
         computation.  
         In the future we should be able to stop the program is only health  2016-08-29  Brouard Nicolas  <brouard@ined.fr>
         expectancies and graph are needed without standard deviations.  
           * imach.c: Summary: gnuplot problem in Back projection to fix
 2006-04-04  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  
           * imach.c: Summary: Better
         * imach.iss (Module):  
   2016-08-26  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): bugs in evsi + population file added in htm output file  
           * imach.c:
 2006-03-22  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          Summary: Improvement in Powell output in order to copy and paste
   
         * imach.c (Module):          * imach.c: Summary: Starting tests of 0.99
   
 2006-03-20  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: to valgrind
   
         * imach.c (Module): <title> changed, corresponds to .htm file  2016-08-25  Brouard Nicolas  <brouard@ined.fr>
         name. <head> headers where missing.  
           * imach.c: *** empty log message ***
         * Makefile (Module): 0.98g  
   2016-08-23  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: *** empty log message ***
         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  2016-08-22  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-16  LIEVRE Agnes  <lievre@PC_00697.ined.fr>          * imach.c: Summary: not working
   
         * imach.c (Module): Comments concerning covariates added          * imach.c: Summary: Not working
   
         * noreg-setup.iss (Module): Version 0.98f  2016-07-23  Brouard Nicolas  <brouard@ined.fr>
   
         * Makefile (Module): Version 0.98f make _windows=1 imachcyg-setup          * imach.c: Summary: Completing for func too
   
         * imach.c (Module): refinements in the computation of lli if  2016-07-22  Brouard Nicolas  <brouard@ined.fr>
         status=-2 in order to have more reliable computation if stepm is  
         not 1 month. Version 0.98f          * imach.c: Summary: Fixing some arrays, still debugging
   
 2006-03-15  Brouard Nicolas  <brouard@localhost>  2016-07-21  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Bug if status = -2, the loglikelihood was          * imach.c:
         computed as likelihood omitting the logarithm. Version O.98e          Summary: 0.99 working (more or less) for Asian Workshop on multitate methods
   
 2006-03-14  Brouard Nicolas  <brouard@localhost>  2016-07-12  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): varevsij Comments added explaining the second          * imach.c: Summary: temp
         table of variances if popbased=1 .  
         (Module): Covariances of eij, ekl added, graphs fixed, new html link.          * imach.c: Summary: saving but not running
         (Module): Function pstamp added  
         (Module): Version 0.98d  2016-07-01  Brouard Nicolas  <brouard@ined.fr>
   
 2006-03-06  Brouard Nicolas  <brouard@localhost>          * imach.c: Summary: Fixes
   
         * imach.c (Module): Variance-covariance wrong links and  2016-02-19  Brouard Nicolas  <brouard@ined.fr>
         varian-covariance of ej. is needed (Saito).  
           * imach-0.98r.c: Summary: Kind of 0.98r? series, starting with r7
 2006-02-27  Brouard Nicolas  <brouard@localhost>  
           * setup.iss, Makefile, version.h: *** empty log message ***
         * imach.c (Module): One freematrix added in mlikeli!  
           * imach.c: Summary: temporary
 2006-02-26  Brouard Nicolas  <brouard@localhost>  
   2016-02-17  Brouard Nicolas  <brouard@ined.fr>
         * imach.c (Module): Some improvements in processing parameter  
         filename with strsep.          * imach.c: Summary: Probably last 0.98 stable version 0.98r6
   
 2006-02-24  Brouard Nicolas  <brouard@localhost>  2016-02-16  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Memory leaks checks with valgrind and:          * imach.c: Summary: minor bug
         datafile was not closed, some imatrix were not freed and on matrix  
         allocation too.          * imach.c: Summary: 0.99r2
   
 2006-02-09  LIEVRE Agnes  <lievre@PC_00697.ined.fr>  2016-02-15  Brouard Nicolas  <brouard@ined.fr>
   
         * strsep.c (Module): Inclusion because not in mingw32!!!          * imach.c: *** empty log message ***
   
         * setup.iss.in (Module): IMACHSETUPVERSION added  2016-02-12  Brouard Nicolas  <brouard@ined.fr>
   
         * noreg-setup.iss (Module): added to cvs tree          * imach.c: Summary: 0.99 Back projections
   
         * Makefile (Module): IMACHSETUPVERSION added  2015-12-23  Brouard Nicolas  <brouard@ined.fr>
   
 2006-01-30  BROUARD Nicolas  <brouard@localhost>          * imach.c: Summary: Experimental backcast
   
         * Makefile (Module, Module): Latest Makefile  2015-12-18  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Module): Back to gnuplot.exe instead of wgnuplot.exe          * imach.c: Summary: 0.98r4 Warning and status=-2
   
 2006-01-27  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;
         * noreg-setup.iss (Module): ADDED           - 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.
 2006-01-24  BROUARD Nicolas  <brouard@localhost>  
           * Makefile: *** empty log message ***
         * imach.c (Module): Comments (lines starting with a #) are allowed in data.  
   2015-12-16  Brouard Nicolas  <brouard@ined.fr>
 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: 0.98r4 working
         * createdmg.sh (Module): Creates a dmg disk for MaC OS/X  
           * Makefile: Summary: linuxrpm added
 2005-09-30    <lievre@PC_00595>  
           * Makefile: *** empty log message ***
         * imach.c (Module): sump fixed, loop imx fixed, and simplifications.  
         (Module): If the status is missing at the last wave but we know          * imach.c: Summary: temporary not working
         that the person is alive, then we can code his/her status as -2  
         (instead of missing=-1 in earlier versions) and his/her  2015-12-11  Brouard Nicolas  <brouard@ined.fr>
         contributions to the likelihood is 1 - Prob of dying from last  
         health status (= 1-p13= p11+p12 in the easiest case of somebody in          * imach.c: Summary: 0.98r4
         the healthy state at last known wave). Version is 0.98  
   2015-12-08  Brouard Nicolas  <brouard@ined.fr>
 2004-05-20  Brouard Nicolas  <brouard@localhost>  
           * Makefile: *** empty log message ***
         * imach.c (Repository):  
         Agnes added a direct estimation of mortality (without the need of  2015-11-21  Brouard Nicolas  <brouard@ined.fr>
         computing period prevalence and differential mortality). Thus here  
         is version 0.97a which has been distributed to some people at          * Makefile:
         REVES 16 in Brugge using an Inno setup.exe for PCs. Estimates of          Summary: VBoxManage change from execute --image to run --exe and --wait-exit doesn't exist any more
         mortality using covariates is not done today. Estimating direct  
         mortality is a very different process because it doesn't need          * imach.c: Summary: minor typo
         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: 0.98r3 with some graph of projected cross-sectional
         = a + b*x . But we have been able to incorporate the new code  
         within former imach program (0.96d) without deteriorating too much          Author: Nicolas Brouard
         the understanding of the program.  
   2015-11-18  Brouard Nicolas  <brouard@ined.fr>
 2003-06-25    <brouard@BROUARD>  
           * imach.c: Summary: Start working on projected prevalences
         * imach.c (Module): On windows (cygwin) function asctime_r doesn't  
         exist so I changed back to asctime which exists.  2015-11-17  Brouard Nicolas  <brouard@ined.fr>
         (Module): Version 0.96b  
           * imach.c: Summary: Adding ftolpl parameter
 2003-06-24    <brouard@BROUARD>          Author: N Brouard
   
         * imach.c (Module): Some bugs corrected for windows. Also, when          We had difficulties to get smoothed confidence intervals. It was due
         mle=-1 a template is output in file "or"mypar.txt with the design          to the period prevalence which wasn't computed accurately. The inner
         of the covariance matrix to be input.          parameter ftolpl is now an outer parameter of the .imach parameter
           file after estepm. If ftolpl is small 1.e-4 and estepm too,
 2003-06-25  Brouard Nicolas  <brouard@homebrou>          computation are long.
   
         * imach.c (Repository): Duplicated warning errors corrected.          * version.h: *** empty log message ***
         (Repository): Elapsed time after each iteration is now output. It  
         helps to forecast when convergence will be reached. Elapsed time          * imach.c: Summary: temporary
         is stamped in powell.  We created a new html file for the graphs  
         concerning matrix of covariance. It has extension -cov.htm.  2015-10-27  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-23  Brouard Nicolas  <brouard@homebrou>          * Makefile: *** empty log message ***
   
         * imach.c (Repository): Create a sub-directory where all the secondary files are. Only imach, htm, gp and r(imach) are on the main directory. Correct time and other things.          * setup.iss.in: Summary: some new subdirs
   
 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          * setup.iss.in:
           Summary: Adding gnuplot 5.1 with bin and etc for pango fonts
 2003-06-17  Brouard Nicolas  <brouard@homebrou>  
   2015-10-24  Brouard Nicolas  <brouard@ined.fr>
   
         * imach.c (Repository): Check when date of death was earlier that          * imach.c: *** empty log message ***
         current date of interview. It may happen when the death was just  
         prior to the death. In this case, dh was negative and likelihood  2015-10-23  Brouard Nicolas  <brouard@ined.fr>
         was wrong (infinity). We still send an "Error" but patch by  
         assuming that the date of death was just one stepm after the          * imach.c:
         interview.          Summary: 0.98r3 some clarification for graphs on likelihood contributions
         (Repository): Because some people have very long ID (first column)  
         we changed int to long in num[] and we added a new lvector for  2015-10-01  Brouard Nicolas  <brouard@ined.fr>
         memory allocation. But we also truncated to 8 characters (left  
         truncation)          * imach.c: Summary: Some new graphs of contribution to likelihood
   
         (Repository): No more line truncation errors.  2015-09-30  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-14  Brouard Nicolas  <brouard@homebrou>          * Makefile:
           Summary: Version read from version.h, itself read with cmake
         * imach.c (Repository): Add of a routine likelione (likelihood  
         only once) which prints on a text file          * imach.c: Summary: looking at better estimation of the hessian
         (ilk) the contributions to the likelihood for each  
         individual/wave.          Also a better criteria for convergence to the period prevalence And
           therefore adding the number of years needed to converge. (The
 2003-06-13  Brouard Nicolas  <brouard@homebrou>          prevalence in any alive state shold sum to one
         * imach.c (Repository): Replace "freqsummary" at a correct  
         place. It differs from routine "prevalence" which may be called          * Makefile: *** empty log message ***
         many times. Probs is memory consuming and must be used with  
         parcimony.  2015-09-22  Brouard Nicolas  <brouard@ined.fr>
   
 2003-06-17    <brouard@BROUARD>          * imach.c:
           Summary: Adding some overall graph on contribution to likelihood. Might change
         * timeval.h (Module): Added included file to make use of  
         gettimeofday working on win32 with cygwin.  2015-09-15  Brouard Nicolas  <brouard@ined.fr>
   
 2003-05-16  Brouard Nicolas  <brouard@brouard>          * Makefile: *** empty log message ***
         * imach.c (Module): Insert of a warning if the delay between two  
         waves is negative.          * imach.c: Summary: 0.98r0
   
         * imach.c (Module):          - Some new graphs like survival functions
           - Some bugs fixed like model=1+age+V2.
 2003-05-03    <brouard@BROUARD>  
           * ChangeLog, Makefile: Summary: 0.98r0
         * imach.c: Some cleaning  
           * CMakeLists.txt: Summary: Some tests for setup.iss
 2003-03-28    <brouard@BROUARD>  
         * imach.c (Module): In version up to 0.92 likelihood was computed  2015-09-15  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         as if date of death was unknown. Death was treated as any other  
         health state: the date of the interview describes the actual state          *  (Module): 0.98r0 Some new graphs, some bugs fixed: model=1+age+V2. etc
         and not the date of a change in health state. The former idea was  
         to consider that at each interview the state was recorded  2015-08-18  Nicolas J Brouard   <nbrouard@tugault.local>
         (healthy, disable or death) and IMaCh was corrected; but when we  
         introduced the exact date of death then we should have modified          *  (Module): Adding error when the covariance matrix doesn't contain the exact number of lines required by the model line.
         the contribution of an exact death to the likelihood. This new  
         contribution is smaller and very dependent of the step unit  2015-08-03  Nicolas J Brouard   <nbrouard@tugault.ined.fr>
         stepm. It is no more the probability to die between last interview  
         and month of death but the probability to survive from last          *  (Module): Changing Variance of one-step probabilities into Standard deviation (thanks to Yao-Chi Shih)
         interview up to one month before death multiplied by the  
         probability to die within a month. Thanks to Chris  2014-12-16  Nicolas J Brouard   <nbrouard@tugault.local>
         Jackson for correcting this bug.  Former versions increased  
         mortality artificially. The bad side is that we add another loop          * imach.c (Module): Merging 1.61 to 1.162
         which slows down the processing. The difference can be up to 10%  
         lower mortality.  2014-09-02  Nicolas J Brouard   <nbrouard@njbrouard.ined.fr>
   
 2002-05-30    <brouard@BROUARD>          * prevlim.h (Module): 
         *  
         * imach.c (Module): Add correlation matrix of one-step  2014-01-26  Nicolas J Brouard   <nbrouard@ledermann-2.local>
         probabilities and covariance matrix  
           * imach.c (Module): Trying to merge old staffs together while being at Tokyo. Not tested...
           (Module): Version 0.98nR Running ok, but output format still only works for three covariates.
   
   2010-04-29  brouard  <brouard@ined.fr>
   
           * imach.c (Module): Checking covariates for more complex models
           than V1+V2. A lot of change to be done. Unstable.
   
   2010-04-26  brouard  <brouard@ined.fr>
   
           * imach.c (Module): 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.1.74

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