--- imach/src/imach.c	2001/05/02 17:50:24	1.7
+++ imach/src/imach.c	2002/02/20 16:57:00	1.12
@@ -8,7 +8,7 @@
   Health expectancies are computed from the transistions observed between 
   waves and are computed for each degree of severity of disability (number
   of life states). More degrees you consider, more time is necessary to
-  reach the Maximum Likelihood of the parameters involved in the model.
+  reach the Maximum Likelihood of the parameters involved in the model. 
   The simplest model is the multinomial logistic model where pij is
   the probabibility to be observed in state j at the second wave conditional
   to be observed in state i at the first wave. Therefore the model is:
@@ -22,7 +22,7 @@
   delay between waves is not identical for each individual, or if some 
   individual missed an interview, the information is not rounded or lost, but
   taken into account using an interpolation or extrapolation.
-  hPijx is the probability to be
+  hPijx is the probability to be 
   observed in state i at age x+h conditional to the observed state i at age 
   x. The delay 'h' can be split into an exact number (nh*stepm) of 
   unobserved intermediate  states. This elementary transition (by month or 
@@ -68,8 +68,7 @@
 
 
 int nvar;
-static int cptcov;
-int cptcovn, cptcovage=0, cptcoveff=0;
+int cptcovn, cptcovage=0, cptcoveff=0,cptcov;
 int npar=NPARMAX;
 int nlstate=2; /* Number of live states */
 int ndeath=1; /* Number of dead states */
@@ -77,9 +76,11 @@ int ncovmodel, ncov;     /* Total number
 
 int *wav; /* Number of waves for this individuual 0 is possible */
 int maxwav; /* Maxim number of waves */
+int jmin, jmax; /* min, max spacing between 2 waves */
 int mle, weightopt;
 int **mw; /* mw[mi][i] is number of the mi wave for this individual */
 int **dh; /* dh[mi][i] is number of steps between mi,mi+1 for this individual */
+double jmean; /* Mean space between 2 waves */
 double **oldm, **newm, **savm; /* Working pointers to matrices */
 double **oldms, **newms, **savms; /* Fixed working pointers to matrices */
 FILE *fic,*ficpar, *ficparo,*ficres,  *ficrespl, *ficrespij, *ficrest;
@@ -666,7 +667,6 @@ double **prevalim(double **prlim, int nl
 	cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
 
       /*printf("ij=%d cptcovprod=%d tvar=%d ", ij, cptcovprod, Tvar[1]);*/
-
       /*printf("ij=%d cov[3]=%lf cov[4]=%lf \n",ij, cov[3],cov[4]);*/
 
     out=matprod2(newm, pmij(pmmij,cov,ncovmodel,x,nlstate),1,nlstate+ndeath,1,nlstate+ndeath,1,nlstate+ndeath, oldm);
@@ -693,7 +693,7 @@ double **prevalim(double **prlim, int nl
   }
 }
 
-/*************** transition probabilities **********/ 
+/*************** transition probabilities ***************/ 
 
 double **pmij(double **ps, double *cov, int ncovmodel, double *x, int nlstate )
 {
@@ -716,9 +716,11 @@ double **pmij(double **ps, double *cov,
 	s2 += x[(i-1)*nlstate*ncovmodel+(j-2)*ncovmodel+nc+(i-1)*(ndeath-1)*ncovmodel]*cov[nc];
 	/*printf("Int j>i s1=%.17e, s2=%.17e %lx %lx\n",s1,s2,s1,s2);*/
       }
-      ps[i][j]=s2;
+      ps[i][j]=(s2);
     }
   }
+    /*ps[3][2]=1;*/
+
   for(i=1; i<= nlstate; i++){
      s1=0;
     for(j=1; j<i; j++)
@@ -740,6 +742,7 @@ double **pmij(double **ps, double *cov,
     }
   }
 
+
   /*   for(ii=1; ii<= nlstate+ndeath; ii++){
     for(jj=1; jj<= nlstate+ndeath; jj++){
      printf("%lf ",ps[ii][jj]);
@@ -804,9 +807,9 @@ double ***hpxij(double ***po, int nhstep
       cov[1]=1.;
       cov[2]=age+((h-1)*hstepm + (d-1))*stepm/YEARM;
       for (k=1; k<=cptcovn;k++) cov[2+k]=nbcode[Tvar[k]][codtab[ij][Tvar[k]]];
-for (k=1; k<=cptcovage;k++)
+      for (k=1; k<=cptcovage;k++)
 	cov[2+Tage[k]]=cov[2+Tage[k]]*cov[2];
-   for (k=1; k<=cptcovprod;k++)
+      for (k=1; k<=cptcovprod;k++)
 	cov[2+Tprod[k]]=nbcode[Tvard[k][1]][codtab[ij][Tvard[k][1]]]*nbcode[Tvard[k][2]][codtab[ij][Tvard[k][2]]];
 
 
@@ -841,34 +844,31 @@ double func( double *x)
   /* We are differentiating ll according to initial status */
   /*  for (i=1;i<=npar;i++) printf("%f ", x[i]);*/
   /*for(i=1;i<imx;i++) 
-printf(" %d\n",s[4][i]);
+    printf(" %d\n",s[4][i]);
   */
   cov[1]=1.;
 
   for(k=1; k<=nlstate; k++) ll[k]=0.;
   for (i=1,ipmx=0, sw=0.; i<=imx; i++){
     for (k=1; k<=cptcovn;k++) cov[2+k]=covar[Tvar[k]][i];
-       for(mi=1; mi<= wav[i]-1; mi++){
+    for(mi=1; mi<= wav[i]-1; mi++){
       for (ii=1;ii<=nlstate+ndeath;ii++)
 	for (j=1;j<=nlstate+ndeath;j++) oldm[ii][j]=(ii==j ? 1.0 : 0.0);
-            for(d=0; d<dh[mi][i]; d++){
-	      newm=savm;
-	      cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
-	      for (kk=1; kk<=cptcovage;kk++) {
-		 cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
-		 /*printf("%d %d",kk,Tage[kk]);*/
-	      }
-	      /*cov[4]=covar[1][i]*cov[2];scanf("%d", i);*/
-	      /*cov[3]=pow(cov[2],2)/1000.;*/
-
-	  out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
-		       1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
-	  savm=oldm;
-	  oldm=newm;
-
-
+      for(d=0; d<dh[mi][i]; d++){
+	newm=savm;
+	cov[2]=agev[mw[mi][i]][i]+d*stepm/YEARM;
+	for (kk=1; kk<=cptcovage;kk++) {
+	  cov[Tage[kk]+2]=covar[Tvar[Tage[kk]]][i]*cov[2];
+	}
+	
+	out=matprod2(newm,oldm,1,nlstate+ndeath,1,nlstate+ndeath,
+		     1,nlstate+ndeath,pmij(pmmij,cov,ncovmodel,x,nlstate));
+	savm=oldm;
+	oldm=newm;
+	
+	
       } /* end mult */
-   
+      
       lli=log(out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);
       /* printf(" %f ",out[s[mw[mi][i]][i]][s[mw[mi+1][i]][i]]);*/
       ipmx +=1;
@@ -916,7 +916,6 @@ void hesscov(double **matcov, double p[]
   void lubksb(double **a, int npar, int *indx, double b[]) ;
   void ludcmp(double **a, int npar, int *indx, double *d) ;
 
-
   hess=matrix(1,npar,1,npar);
 
   printf("\nCalculation of the hessian matrix. Wait...\n");
@@ -924,14 +923,16 @@ void hesscov(double **matcov, double p[]
     printf("%d",i);fflush(stdout);
     hess[i][i]=hessii(p,ftolhess,i,delti);
     /*printf(" %f ",p[i]);*/
+    /*printf(" %lf ",hess[i][i]);*/
   }
-
+  
   for (i=1;i<=npar;i++) {
     for (j=1;j<=npar;j++)  {
       if (j>i) { 
 	printf(".%d%d",i,j);fflush(stdout);
 	hess[i][j]=hessij(p,delti,i,j);
-	hess[j][i]=hess[i][j];
+	hess[j][i]=hess[i][j];    
+	/*printf(" %lf ",hess[i][j]);*/
       }
     }
   }
@@ -1035,7 +1036,7 @@ double hessii( double x[], double delta,
     }
   }
   delti[theta]=delts;
-  return res;
+  return res; 
   
 }
 
@@ -1175,7 +1176,8 @@ void  freqsummary(char fileres[], int ag
   for(k1=1; k1<=j;k1++){
    for(i1=1; i1<=ncodemax[k1];i1++){
        j1++;
-
+       /*printf("cptcoveff=%d Tvaraff=%d", cptcoveff,Tvaraff[1]);
+	 scanf("%d", i);*/
         for (i=-1; i<=nlstate+ndeath; i++)  
 	 for (jk=-1; jk<=nlstate+ndeath; jk++)  
 	   for(m=agemin; m <= agemax+3; m++)
@@ -1185,7 +1187,8 @@ void  freqsummary(char fileres[], int ag
 	 bool=1;
 	 if  (cptcovn>0) {
 	   for (z1=1; z1<=cptcoveff; z1++) 
-	     if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) bool=0;
+	     if (covar[Tvaraff[z1]][i]!= nbcode[Tvaraff[z1]][codtab[j1][z1]]) 
+	       bool=0;
 	 }
 	  if (bool==1) {
 	   for(m=firstpass; m<=lastpass-1; m++){
@@ -1199,8 +1202,8 @@ void  freqsummary(char fileres[], int ag
         if  (cptcovn>0) {
 	 fprintf(ficresp, "\n#********** Variable "); 
 	 for (z1=1; z1<=cptcoveff; z1++) fprintf(ficresp, "V%d=%d ",Tvaraff[z1],nbcode[Tvaraff[z1]][codtab[j1][z1]]);
-       }
        fprintf(ficresp, "**********\n#");
+	}
        for(i=1; i<=nlstate;i++) 
 	 fprintf(ficresp, " Age Prev(%d) N(%d) N",i,i);
        fprintf(ficresp, "\n");
@@ -1268,9 +1271,14 @@ void  concatwav(int wav[], int **dh, int
      */
 
   int i, mi, m;
-  int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;
-float sum=0.;
+  /* int j, k=0,jk, ju, jl,jmin=1e+5, jmax=-1;
+     double sum=0., jmean=0.;*/
 
+  int j, k=0,jk, ju, jl;
+  double sum=0.;
+  jmin=1e+5;
+  jmax=-1;
+  jmean=0.;
   for(i=1; i<=imx; i++){
     mi=0;
     m=firstpass;
@@ -1300,14 +1308,22 @@ float sum=0.;
 	dh[mi][i]=1;
       else{
 	if (s[mw[mi+1][i]][i] > nlstate) {
+	  if (agedc[i] < 2*AGESUP) {
 	  j= rint(agedc[i]*12-agev[mw[mi][i]][i]*12); 
-	  if(j=0) j=1;  /* Survives at least one month after exam */
+	  if(j==0) j=1;  /* Survives at least one month after exam */
+	  k=k+1;
+	  if (j >= jmax) jmax=j;
+	  if (j <= jmin) jmin=j;
+	  sum=sum+j;
+	  /* if (j<10) printf("j=%d num=%d ",j,i); */
+	  }
 	}
 	else{
 	  j= rint( (agev[mw[mi+1][i]][i]*12 - agev[mw[mi][i]][i]*12));
 	  k=k+1;
 	  if (j >= jmax) jmax=j;
 	  else if (j <= jmin)jmin=j;
+	  /*   if (j<10) printf("j=%d jmin=%d num=%d ",j,jmin,i); */
 	  sum=sum+j;
 	}
 	jk= j/stepm;
@@ -1322,8 +1338,9 @@ float sum=0.;
       }
     }
   }
-  printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,sum/k);
-}
+  jmean=sum/k;
+  printf("Delay (in months) between two waves Min=%d Max=%d Mean=%f\n\n ",jmin, jmax,jmean);
+ }
 /*********** Tricode ****************************/
 void tricode(int *Tvar, int **nbcode, int imx)
 {
@@ -1338,45 +1355,43 @@ void tricode(int *Tvar, int **nbcode, in
     for (i=1; i<=imx; i++) {
       ij=(int)(covar[Tvar[j]][i]);
       Ndum[ij]++; 
+      /*printf("i=%d ij=%d Ndum[ij]=%d imx=%d",i,ij,Ndum[ij],imx);*/
       if (ij > cptcode) cptcode=ij; 
     }
 
-    /*printf("cptcode=%d cptcovn=%d ",cptcode,cptcovn);*/
     for (i=0; i<=cptcode; i++) {
       if(Ndum[i]!=0) ncodemax[j]++;
     }
     ij=1; 
 
+
     for (i=1; i<=ncodemax[j]; i++) {
       for (k=0; k<=19; k++) {
 	if (Ndum[k] != 0) {
 	  nbcode[Tvar[j]][ij]=k; 
-	  /*   printf("ij=%d ",nbcode[Tvar[2]][1]);*/
 	  ij++;
 	}
 	if (ij > ncodemax[j]) break; 
       }  
     } 
   }  
- for (i=1; i<=10; i++) {
+
+ for (k=0; k<19; k++) Ndum[k]=0;
+
+ for (i=1; i<=ncovmodel-2; i++) {
       ij=Tvar[i];
       Ndum[ij]++; 
     }
+
  ij=1;
- for (i=1; i<=cptcovn; i++) {
+ for (i=1; i<=10; i++) {
    if((Ndum[i]!=0) && (i<=ncov)){
-     Tvaraff[i]=ij; 
-   ij++;
+     Tvaraff[ij]=i; 
+     ij++;
    }
  }
  
- for (j=1; j<=(cptcovn+2*cptcovprod); j++) {
-   if ((Tvar[j]>= cptcoveff) && (Tvar[j] <=ncov)) cptcoveff=Tvar[j];
-   /*printf("j=%d %d\n",j,Tvar[j]);*/
- }
- 
- /* printf("cptcoveff=%d Tvaraff=%d %d\n",cptcoveff, Tvaraff[1],Tvaraff[2]);
-    scanf("%d",i);*/
+    cptcoveff=ij-1;
 }
 
 /*********** Health Expectancies ****************/
@@ -1438,7 +1453,7 @@ void varevsij(char fileres[], double ***
   double **dnewm,**doldm;
   int i, j, nhstepm, hstepm, h;
   int k, cptcode;
-   double *xp;
+  double *xp;
   double **gp, **gm;
   double ***gradg, ***trgradg;
   double ***p3mat;
@@ -1630,7 +1645,7 @@ void varprevlim(char fileres[], double *
 int main()
 {
 
-  int i,j, k, n=MAXN,iter,m,size,cptcode, aaa, cptcod;
+  int i,j, k, n=MAXN,iter,m,size,cptcode, cptcod;
   double agedeb, agefin,hf;
   double agemin=1.e20, agemax=-1.e20;
 
@@ -1642,7 +1657,7 @@ int main()
   int *indx;
   char line[MAXLINE], linepar[MAXLINE];
   char title[MAXLINE];
-  char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH];
+  char optionfile[FILENAMELENGTH], datafile[FILENAMELENGTH],  filerespl[FILENAMELENGTH], optionfilehtm[FILENAMELENGTH];
   char fileres[FILENAMELENGTH], filerespij[FILENAMELENGTH], filereso[FILENAMELENGTH];
   char filerest[FILENAMELENGTH];
   char fileregp[FILENAMELENGTH];
@@ -1653,7 +1668,7 @@ int main()
   int ju,jl, mi;
   int i1,j1, k1,k2,k3,jk,aa,bb, stepsize, ij;
   int jnais,jdc,jint4,jint1,jint2,jint3,**outcome,**adl,*tab;
-  
+ 
   int hstepm, nhstepm;
   double bage, fage, age, agelim, agebase;
   double ftolpl=FTOL;
@@ -1667,7 +1682,7 @@ int main()
   double ***eij, ***vareij;
   double **varpl; /* Variances of prevalence limits by age */
   double *epj, vepp;
-  char version[80]="Imach version 62c, May 1999, INED-EUROREVES ";
+  char version[80]="Imach version 64b, May 2001, INED-EUROREVES ";
   char *alph[]={"a","a","b","c","d","e"}, str[4];
 
   char z[1]="c", occ;
@@ -1680,7 +1695,7 @@ int main()
   gettimeofday(&start_time, (struct timezone*)0); */ /* at first time */
 
 
-  printf("\nIMACH, Version 0.64a");
+  printf("\nIMACH, Version 0.64b");
   printf("\nEnter the parameter file name: ");
 
 #ifdef windows
@@ -1729,13 +1744,9 @@ split(pathtot, path,optionfile);
   printf("title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol, stepm, ncov, nlstate,ndeath, maxwav, mle, weightopt,model);
   fprintf(ficparo,"title=%s datafile=%s lastobs=%d firstpass=%d lastpass=%d\nftol=%e stepm=%d ncov=%d nlstate=%d ndeath=%d maxwav=%d mle=%d weight=%d\nmodel=%s\n", title, datafile, lastobs, firstpass,lastpass,ftol,stepm,ncov,nlstate,ndeath,maxwav, mle, weightopt,model);
 
-  covar=matrix(0,NCOVMAX,1,n);    
-  if (strlen(model)<=1) cptcovn=0;
-  else {
-    j=0;
-    j=nbocc(model,'+');
-    cptcovn=j+1;
-  }
+  covar=matrix(0,NCOVMAX,1,n); 
+  cptcovn=0; 
+  if (strlen(model)>1) cptcovn=nbocc(model,'+')+1;
 
   ncovmodel=2+cptcovn;
   nvar=ncovmodel-1; /* Suppressing age as a basic covariate */
@@ -1766,7 +1777,8 @@ split(pathtot, path,optionfile);
       fprintf(ficparo,"\n");
     }
   
-  npar= (nlstate+ndeath-1)*nlstate*ncovmodel;
+    npar= (nlstate+ndeath-1)*nlstate*ncovmodel;
+
   p=param[1][1];
   
   /* Reads comments: lines beginning with '#' */
@@ -1856,7 +1868,7 @@ split(pathtot, path,optionfile);
     tab=ivector(1,NCOVMAX);
     ncodemax=ivector(1,8);
 
-    i=1; 
+    i=1;
     while (fgets(line, MAXLINE, fic) != NULL)    {
       if ((i >= firstobs) && (i <=lastobs)) {
 	
@@ -1878,16 +1890,24 @@ split(pathtot, path,optionfile);
 	  cutv(stra, strb,line,' '); covar[j][i]=(double)(atoi(strb)); strcpy(line,stra);
 	} 
 	num[i]=atol(stra);
-
-	/*printf("%d %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]), (weight[i]), (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i]));*/
+	
+	/*if((s[2][i]==2) && (s[3][i]==-1)&&(s[4][i]==9)){
+	  printf("%d %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]),weight[i], (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i])); ij=ij+1;}*/
 
 	i=i+1;
       }
     } 
-
-    /*scanf("%d",i);*/
+    /* printf("ii=%d", ij);
+       scanf("%d",i);*/
   imx=i-1; /* Number of individuals */
 
+  /* for (i=1; i<=imx; i++){
+    if ((s[1][i]==3) && (s[2][i]==2)) s[2][i]=3;
+    if ((s[2][i]==3) && (s[3][i]==2)) s[3][i]=3;
+    if ((s[3][i]==3) && (s[4][i]==2)) s[4][i]=3;
+  }
+  for (i=1; i<=imx; i++) printf("%d %.lf %.lf %.lf %.lf/%.lf %.lf/%.lf %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d %.lf/%.lf %d\n",num[i],(covar[1][i]), (covar[2][i]), (weight[i]), (moisnais[i]), (annais[i]), (moisdc[i]), (andc[i]), (mint[1][i]), (anint[1][i]), (s[1][i]),  (mint[2][i]), (anint[2][i]), (s[2][i]),  (mint[3][i]), (anint[3][i]), (s[3][i]),  (mint[4][i]), (anint[4][i]), (s[4][i]));*/
+
   /* Calculation of the number of parameter from char model*/
   Tvar=ivector(1,15); 
   Tprod=ivector(1,15); 
@@ -1902,90 +1922,65 @@ split(pathtot, path,optionfile);
     cptcovn=j+1;
     cptcovprod=j1;
     
+    
     strcpy(modelsav,model); 
-   if (j==0) {
-      if (j1==0){
-	cutv(stra,strb,modelsav,'V');
-	Tvar[1]=atoi(strb);
-      }
-      else if (j1==1) {
-	cutv(stra,strb,modelsav,'*');
-	Tage[1]=1; cptcovage++;
-	if (strcmp(stra,"age")==0) {
+    if ((strcmp(model,"age")==0) || (strcmp(model,"age*age")==0)){
+      printf("Error. Non available option model=%s ",model);
+      goto end;
+    }
+    
+    for(i=(j+1); i>=1;i--){
+      cutv(stra,strb,modelsav,'+');
+      if (nbocc(modelsav,'+')==0) strcpy(strb,modelsav); 
+      /*      printf("i=%d a=%s b=%s sav=%s\n",i, stra,strb,modelsav);*/
+      /*scanf("%d",i);*/
+      if (strchr(strb,'*')) {
+	cutv(strd,strc,strb,'*');
+	if (strcmp(strc,"age")==0) {
 	  cptcovprod--;
-	  cutv(strd,strc,strb,'V');
-	  Tvar[1]=atoi(strc);
+	  cutv(strb,stre,strd,'V');
+	  Tvar[i]=atoi(stre);
+	  cptcovage++;
+	    Tage[cptcovage]=i;
+	    /*printf("stre=%s ", stre);*/
 	}
-	else if (strcmp(strb,"age")==0) {
+	else if (strcmp(strd,"age")==0) {
 	  cptcovprod--;
-	  cutv(strd,strc,stra,'V');
-	  Tvar[1]=atoi(strc);
+	  cutv(strb,stre,strc,'V');
+	  Tvar[i]=atoi(stre);
+	  cptcovage++;
+	  Tage[cptcovage]=i;
 	}
 	else {
-	  cutv(strd,strc,strb,'V');
-	  cutv(stre,strd,stra,'V');
-	  Tvar[1]=ncov+1;
+	  cutv(strb,stre,strc,'V');
+	  Tvar[i]=ncov+k1;
+	  cutv(strb,strc,strd,'V'); 
+	  Tprod[k1]=i;
+	  Tvard[k1][1]=atoi(strc);
+	  Tvard[k1][2]=atoi(stre);
+	  Tvar[cptcovn+k2]=Tvard[k1][1];
+	  Tvar[cptcovn+k2+1]=Tvard[k1][2]; 
 	  for (k=1; k<=lastobs;k++) 
-	      covar[ncov+1][k]=covar[atoi(strc)][k]*covar[atoi(strd)][k];
-	}
-	/*printf("%s %s %s\n", stra,strb,modelsav);
-printf("%d ",Tvar[1]);
-scanf("%d",i);*/
-      }
-    }
-   else {
-      for(i=j; i>=1;i--){
-	cutv(stra,strb,modelsav,'+');
-	/*printf("%s %s %s\n", stra,strb,modelsav);
-	  scanf("%d",i);*/
-	if (strchr(strb,'*')) {
-	  cutv(strd,strc,strb,'*');
-	  if (strcmp(strc,"age")==0) {
-	    cptcovprod--;
-	    cutv(strb,stre,strd,'V');
-	    Tvar[i+1]=atoi(stre);
-	    cptcovage++;
-	    Tage[cptcovage]=i+1;
-	    printf("stre=%s ", stre);
-	  }
-	  else if (strcmp(strd,"age")==0) {
-	    cptcovprod--;
-	    cutv(strb,stre,strc,'V');
-	    Tvar[i+1]=atoi(stre);
-	    cptcovage++;
-	    Tage[cptcovage]=i+1;
-	  }
-	  else {
-	    cutv(strb,stre,strc,'V');
-	    Tvar[i+1]=ncov+k1;
-	    cutv(strb,strc,strd,'V'); 
-	    Tprod[k1]=i+1;
-	    Tvard[k1][1]=atoi(strc);
-	    Tvard[k1][2]=atoi(stre);
-	    Tvar[cptcovn+k2]=Tvard[k1][1];
-	    Tvar[cptcovn+k2+1]=Tvard[k1][2]; 
-	    for (k=1; k<=lastobs;k++) 
-	      covar[ncov+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];
-	    k1++;
-	    k2=k2+2;
-	  }
+	    covar[ncov+k1][k]=covar[atoi(stre)][k]*covar[atoi(strc)][k];
+	  k1++;
+	  k2=k2+2;
 	}
-	else {
-	  cutv(strd,strc,strb,'V');
-	  /* printf("%s %s %s", strd,strc,strb);*/
-	  Tvar[i+1]=atoi(strc);
-	}
-	strcpy(modelsav,stra);   
       }
-      cutv(strd,strc,stra,'V');
-      Tvar[1]=atoi(strc);
+      else {
+	/*printf("d=%s c=%s b=%s\n", strd,strc,strb);*/
+       /*  scanf("%d",i);*/
+      cutv(strd,strc,strb,'V');
+      Tvar[i]=atoi(strc);
+      }
+      strcpy(modelsav,stra);  
+      /*printf("a=%s b=%s sav=%s\n", stra,strb,modelsav);
+	scanf("%d",i);*/
     }
-  }
-  /* for (i=1; i<=5; i++)
-     printf("i=%d %d ",i,Tvar[i]);*/
-  /* printf("tvar=%d %d cptcovage=%d %d",Tvar[1],Tvar[2],cptcovage,Tage[1]);*/
- /*printf("cptcovprod=%d ", cptcovprod);*/
-  /*  scanf("%d ",i);*/
+}
+  
+  /*printf("tvar1=%d tvar2=%d tvar3=%d cptcovage=%d Tage=%d",Tvar[1],Tvar[2],Tvar[3],cptcovage,Tage[1]);
+  printf("cptcovprod=%d ", cptcovprod);
+  scanf("%d ",i);*/
     fclose(fic);
 
     /*  if(mle==1){*/
@@ -1994,6 +1989,13 @@ scanf("%d",i);*/
     }
     /*-calculation of age at interview from date of interview and age at death -*/
     agev=matrix(1,maxwav,1,imx);
+
+   for (i=1; i<=imx; i++) 
+     for(m=2; (m<= maxwav); m++)
+       if ((mint[m][i]== 99) && (s[m][i] <= nlstate)){
+	 anint[m][i]=9999;
+	 s[m][i]=-1;
+       }
     
     for (i=1; i<=imx; i++)  {
       agedc[i]=(moisdc[i]/12.+andc[i])-(moisnais[i]/12.+annais[i]);
@@ -2003,9 +2005,11 @@ scanf("%d",i);*/
 	    if(agedc[i]>0)
 	      if(moisdc[i]!=99 && andc[i]!=9999)
 	      agev[m][i]=agedc[i];
-	    else{
+	    else {
+	      if (andc[i]!=9999){
 	      printf("Warning negative age at death: %d line:%d\n",num[i],i);
 	      agev[m][i]=-1;
+	      }
 	    }
 	  }
 	  else if(s[m][i] !=9){ /* Should no more exist */
@@ -2063,7 +2067,7 @@ printf("Total number of individuals= %d,
 
 
       Tcode=ivector(1,100);
-      nbcode=imatrix(1,nvar,1,8); 
+      nbcode=imatrix(0,NCOVMAX,0,NCOVMAX); 
       ncodemax[1]=1;
       if (cptcovn > 0) tricode(Tvar,nbcode,imx);
       
@@ -2100,7 +2104,7 @@ printf("Total number of individuals= %d,
     newms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
     savms= matrix(1,nlstate+ndeath,1,nlstate+ndeath); /* creation */
     oldm=oldms; newm=newms; savm=savms; /* Keeps fixed addresses to free */
-    
+     
     /* For Powell, parameters are in a vector p[] starting at p[1]
        so we point p on param[1][1] so that p[1] maps on param[1][1][1] */
     p=param[1][1]; /* *(*(*(param +1)+1)+0) */
@@ -2392,11 +2396,18 @@ chdir(path);
   fprintf(ficparo,"agemin=%.0f agemax=%.0f bage=%.0f fage=%.0f\n",agemin,agemax,bage,fage);
 /*--------- index.htm --------*/
 
-  if((fichtm=fopen("index.htm","w"))==NULL)    {
-    printf("Problem with index.htm \n");goto end;
+  strcpy(optionfilehtm,optionfile);
+  strcat(optionfilehtm,".htm");
+  if((fichtm=fopen(optionfilehtm,"w"))==NULL)    {
+    printf("Problem with %s \n",optionfilehtm);goto end;
   }
 
- fprintf(fichtm,"<body><ul> Imach, Version 0.64a<hr> <li>Outputs files<br><br>\n
+ fprintf(fichtm,"<body><ul> <font size=\"6\">Imach, Version 0.64b </font> <hr size=\"2\" color=\"#EC5E5E\"> 
+Titre=%s <br>Datafile=%s Firstpass=%d Lastpass=%d Stepm=%d Weight=%d Model=%s<br>
+Total number of observations=%d <br>
+Interval (in months) between two waves: Min=%d Max=%d Mean=%.2lf<br>
+<hr  size=\"2\" color=\"#EC5E5E\"> 
+<li>Outputs files<br><br>\n
         - Observed prevalence in each state: <a href=\"p%s\">p%s</a> <br>\n
 - Estimated parameters and the covariance matrix: <a href=\"%s\">%s</a> <br>
         - Stationary prevalence in each state: <a href=\"pl%s\">pl%s</a> <br>
@@ -2405,9 +2416,9 @@ chdir(path);
         - Life expectancies by age and initial health status: <a href=\"e%s\">e%s</a> <br>
         - Variances of life expectancies by age and initial health status: <a href=\"v%s\">v%s</a><br>
         - Health expectancies with their variances: <a href=\"t%s\">t%s</a> <br>
-        - Standard deviation of stationary prevalences: <a href=\"vpl%s\">vpl%s</a> <br><br>",fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres);
+        - Standard deviation of stationary prevalences: <a href=\"vpl%s\">vpl%s</a> <br><br>",title,datafile,firstpass,lastpass,stepm, weightopt,model,imx,jmin,jmax,jmean,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres,fileres);
 
- fprintf(fichtm," <li>Graphs</li>\n<p>");
+ fprintf(fichtm," <li>Graphs</li><p>");
 
  m=cptcoveff;
  if (cptcovn < 1) {m=1;ncodemax[1]=1;}
@@ -2417,10 +2428,10 @@ chdir(path);
    for(i1=1; i1<=ncodemax[k1];i1++){
        j1++;
        if (cptcovn > 0) {
-	 fprintf(fichtm,"<hr>************ Results for covariates");
+	 fprintf(fichtm,"<hr  size=\"2\" color=\"#EC5E5E\">************ Results for covariates");
 	 for (cpt=1; cpt<=cptcoveff;cpt++) 
 	   fprintf(fichtm," V%d=%d ",Tvaraff[cpt],nbcode[Tvaraff[cpt]][codtab[j1][cpt]]);
-	 fprintf(fichtm," ************\n<hr>");
+	 fprintf(fichtm," ************\n<hr size=\"2\" color=\"#EC5E5E\">");
        }
        fprintf(fichtm,"<br>- Probabilities: pe%s%d.gif<br>
 <img src=\"pe%s%d.gif\">",strtok(optionfile, "."),j1,strtok(optionfile, "."),j1);     
@@ -2676,11 +2687,15 @@ strcpy(fileresvpl,"vpl");
   /*printf("Total time was %d uSec.\n", total_usecs);*/
   /*------ End -----------*/
 
+
  end:
 #ifdef windows
  chdir(pathcd);
 #endif 
- system("wgnuplot graph.plt");
+ /*system("wgnuplot graph.plt");*/
+ /*system("../gp37mgw/wgnuplot graph.plt");*/
+ /*system("cd ../gp37mgw");*/
+ system("..\\gp37mgw\\wgnuplot graph.plt");
 
 #ifdef windows
   while (z[0] != 'q') {
@@ -2690,7 +2705,7 @@ strcpy(fileresvpl,"vpl");
     if (z[0] == 'c') system("./imach");
     else if (z[0] == 'e') {
       chdir(path);
-      system("index.htm");
+      system(optionfilehtm);
     }
     else if (z[0] == 'q') exit(0);
   }