/* nag_anova_confid_interval (g04dbc) Example Program.
 *
 * Copyright 2000 Numerical Algorithms Group.
 *
 * Mark 6, 2000.
 */

#include <stdio.h>
#include <nag.h>
#include <nag_stdlib.h>
#include <nagg04.h>

int main (void)
{
#define TABLE(I,J) table[((I)-1)*5 + (J)-1]

  Integer exit_status=0, i, ij, irdf, *irep=0, *isig=0, *it=0, j, n, nblock;
  Integer nt;
  NagError fail;
  Nag_IntervalType type_enum;
  const char *fmt_99998[] = {"%s", "   %3.0f  ", "%10.1f  ", "%10.1f  ",
                             "%10.3f  ", "%9.4f"};
  char star[1*2+1], type[2];
  double *bmean=0, *c=0, *cil=0, *ciu=0, clevel, *ef=0, gmean, *r=0, rdf;
  double *table=0, *tmean=0, tol, *y=0;

  INIT_FAIL(fail);
  Vprintf("nag_anova_confid_interval (g04dbc) Example Program Results\n");

  /* Skip heading in data file */
  Vscanf("%*[^\n]");

  Vscanf("%ld %ld ", &n, &nt);
  if (!(y = NAG_ALLOC(n, double))
      || !(it = NAG_ALLOC(n, Integer))
      || !(tmean = NAG_ALLOC(nt, double))
      || !(table = NAG_ALLOC(4*5, double))
      || !(c = NAG_ALLOC(nt*nt, double))
      || !(irep = NAG_ALLOC(nt, Integer))
      || !(r = NAG_ALLOC(n, double))
      || !(ef = NAG_ALLOC(nt, double))
      || !(isig = NAG_ALLOC(nt*(nt-1)/2, Integer))
      || !(cil = NAG_ALLOC(nt*(nt-1)/2, double))
      || !(ciu = NAG_ALLOC(nt*(nt-1)/2, double)))
    {
      Vprintf("Allocation failure\n");
      exit_status = 1;
      goto END;
    }


  for (i = 1; i <= n; ++i)
    Vscanf("%lf ", &y[i - 1]);
  for (i = 1; i <= n; ++i)
    Vscanf("%ld ", &it[i - 1]);
  tol = 5e-6;
  irdf = 0;
  nblock = 1;
  if (!(bmean = NAG_ALLOC(nblock, double)))
    {
      exit_status = -1;
      Vprintf("Allocation failure\n");
      goto END;
    }
  /* nag_anova_random (g04bbc).
   * General block design or completely randomized design
   */
  nag_anova_random(n, y, Nag_NoBlocks, nblock, nt, it, &gmean, bmean, tmean,
                   table, c, nt, irep, r, ef, tol, irdf, &fail);
  if (fail.code != NE_NOERROR)
    {
      Vprintf("Error from nag_anova_random (g04bbc).\n%s\n", fail.message);
      exit_status = -1;
      goto END;
    }

  Vprintf("\n%s\n\n", "ANOVA table");
  Vprintf("%s\n\n",
          "  Source        df         SS          MS          F        Prob");
  Vprintf(" Treatments");
  for (j = 1; j <= 5; ++j)
    Vprintf(fmt_99998[j], TABLE(2,j));
  Vprintf("\n");
  Vprintf(" Residual  ");
  for (j = 1; j <= 3; ++j)
    Vprintf(fmt_99998[j], TABLE(3,j));
  Vprintf("\n");
  Vprintf(" Total     ");
  for (j = 1; j <= 2; ++j)
    Vprintf(fmt_99998[j], TABLE(4,j));
  Vprintf("\n");
  Vprintf("\n Treatment means\n");
  Vprintf("\n");
  for (j = 1; j <= nt; ++j)
    Vprintf("%8.3f%s", tmean[j - 1],j%8?"":"\n");
  Vprintf("\n");
  Vprintf("\n Simultaneous Confidence Intervals\n\n");
  rdf = TABLE(3,1);
  Vscanf(" '%c' %lf", type, &clevel);

  if (*type == 'T')
    type_enum = Nag_TukeyInterval;
  else if (*type == 'B')
    type_enum = Nag_BonferroniInterval;
  else if (*type == 'D')
    type_enum = Nag_DunnInterval;
  else if (*type == 'L')
    type_enum = Nag_FisherInterval;
  else if (*type == 'S')
    type_enum = Nag_ScheffeInterval;
  else
    type_enum = (Nag_IntervalType)-999;
  /* nag_anova_confid_interval (g04dbc).
   * Computes confidence intervals for differences between
   * means computed by nag_anova_random (g04bbc) or
   * nag_anova_row_col (g04bcc)
   */
  nag_anova_confid_interval(type_enum, nt, tmean, rdf, c, nt, clevel, cil, ciu,
                            isig, &fail);
  if (fail.code != NE_NOERROR)
    {
      Vprintf("Error from nag_anova_confid_interval (g04dbc).\n%s\n",
              fail.message);
      exit_status=1;
      goto END;
    }

  star[1] = '*';
  star[0] = ' ';
  star[2] = '\0';
  ij = 0;
  for (i = 1; i <= nt; ++i)
    {
      for (j = 1; j <= i - 1; ++j)
        {
          ++ij;
          Vprintf("  %2ld%2ld   %10.3f  %10.3f  %c\n",
                  i, j, cil[ij - 1], ciu[ij - 1], star[isig[ij - 1]]);
        }
    }
 END:
  if (y) NAG_FREE(y);
  if (it) NAG_FREE(it);
  if (tmean) NAG_FREE(tmean);
  if (table) NAG_FREE(table);
  if (c) NAG_FREE(c);
  if (irep) NAG_FREE(irep);
  if (r) NAG_FREE(r);
  if (ef) NAG_FREE(ef);
  if (isig) NAG_FREE(isig);
  if (cil) NAG_FREE(cil);
  if (ciu) NAG_FREE(ciu);
  if (bmean) NAG_FREE(bmean);
  return exit_status;
}