```/* nag_condl_logistic (g11cac) Example Program.
*
* NAGPRODCODE Version.
*
* Copyright 2016 Numerical Algorithms Group.
*
* Mark 26, 2016.
*/

#include <stdio.h>
#include <nag.h>
#include <nag_stdlib.h>
#include <nagg11.h>

int main(void)
{
/* Scalars */
double dev, tol;
Integer iprint, exit_status, i, p, j, m, maxit, n, ns, pdz;
NagError fail;
Nag_OrderType order;

/* Arrays */
double *b = 0, *cov = 0, *sc = 0, *se = 0, *z = 0;
Integer *ic = 0, *isi = 0, *isz = 0, *nca = 0, *nct = 0;

#ifdef NAG_COLUMN_MAJOR
#define Z(I, J) z[(J-1)*pdz + I - 1]
order = Nag_ColMajor;
#else
#define Z(I, J) z[(I-1)*pdz + J - 1]
order = Nag_RowMajor;
#endif

INIT_FAIL(fail);

exit_status = 0;

printf("nag_condl_logistic (g11cac) Example Program Results\n");

/* Skip heading in data file */
scanf("%*[^\n] ");
scanf("%" NAG_IFMT "%" NAG_IFMT "%" NAG_IFMT "%" NAG_IFMT "%*[^\n] ", &n,
&m, &ns, &maxit);

pdz = n;
iprint = 0;
tol = 1e-5;

/* Allocate arrays z, ic, isi and isz */
if (!(z = NAG_ALLOC(pdz * m, double)) ||
!(ic = NAG_ALLOC(n, Integer)) ||
!(isi = NAG_ALLOC(n, Integer)) || !(isz = NAG_ALLOC(m, Integer)))
{
printf("Allocation failure\n");
exit_status = -1;
goto END;
}

if (order == Nag_ColMajor)
pdz = n;
else
pdz = m;

for (i = 1; i <= n; ++i) {
scanf("%" NAG_IFMT "%" NAG_IFMT "", &isi[i - 1], &ic[i - 1]);
for (j = 1; j <= m; ++j)
scanf("%lf", &Z(i, j));
scanf("%*[^\n] ");
}

for (j = 1; j <= m; ++j)
scanf("%" NAG_IFMT "", &isz[j - 1]);
scanf("%" NAG_IFMT "%*[^\n] ", &p);

/* Allocate other arrays */
if (!(b = NAG_ALLOC(p, double)) ||
!(cov = NAG_ALLOC(p * (p + 1) / 2, double)) ||
!(sc = NAG_ALLOC(p, double)) ||
!(se = NAG_ALLOC(p, double)) ||
!(nca = NAG_ALLOC(ns, Integer)) || !(nct = NAG_ALLOC(ns, Integer)))
{
printf("Allocation failure\n");
exit_status = -1;
goto END;
}

for (j = 1; j <= m; ++j)
scanf("%lf", &b[j - 1]);
scanf("%*[^\n] ");

/* nag_condl_logistic (g11cac).
* Returns parameter estimates for the conditional analysis
* of stratified data
*/
nag_condl_logistic(order, n, m, ns, z, pdz, isz, p, ic, isi, &dev, b, se,
sc, cov, nca, nct, tol, maxit, iprint, 0, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_condl_logistic (g11cac).\n%s\n", fail.message);
exit_status = 1;
goto END;
}

printf("\n");
printf(" Deviance = %13.4e\n", dev);
printf("\n");

printf(" Strata     No. Cases   No. Controls\n");
printf("\n");
for (i = 1; i <= ns; ++i)
printf("   %3" NAG_IFMT "          %2" NAG_IFMT "          %2" NAG_IFMT ""
"          \n", i, nca[i - 1], nct[i - 1]);
printf("\n");

printf(" Parameter      Estimate       Standard Error\n");
printf("\n");
for (i = 1; i <= p; ++i)
printf("%5" NAG_IFMT "          %8.4f          %8.4f          \n", i,
b[i - 1], se[i - 1]);

END:
NAG_FREE(b);
NAG_FREE(cov);
NAG_FREE(sc);
NAG_FREE(se);
NAG_FREE(z);
NAG_FREE(ic);
NAG_FREE(isi);
NAG_FREE(isz);
NAG_FREE(nca);
NAG_FREE(nct);

return exit_status;
}
```