Exemple #1
0
void sknuth_CouponCollector (unif01_Gen * gen, sres_Chi2 * res,
   long N, long n, int r, int d)
{
   long Seq;                      /* Replication number */
   long Segm;
   const int t = MAXT;
   long tt = t;
   int dInt = d;
   long dd = d;
   int s, k;
   long NbGroups;
   double Moydes;
   double Mult;
   double dReal = d;
   double **M;
   double *NbExp;
   long *Loca;
   long *Nb;
   lebool Occurs[1 + MAXT];
   double X2;
   double V[1];                   /* Number degrees of freedom for Chi2 */
   char str[LENGTH + 1];
   lebool localRes = FALSE;
   chrono_Chrono *Timer;
   char *TestName = "sknuth_CouponCollector test";

   Timer = chrono_Create ();
   if (swrite_Basic)
      WriteDataCoupCol (gen, TestName, N, n, r, d);

   util_Assert (d < MAXT, "sknuth_CouponCollector:  d >= 62");
   util_Assert (d > 1, "sknuth_CouponCollector:  d < 2");

   if (res == NULL) {
      localRes = TRUE;
      res = sres_CreateChi2 ();
   }
   sres_InitChi2 (res, N, MAXT, "sknuth_CouponCollector");
   NbExp = res->NbExp;
   Nb = res->Count;
   Loca = res->Loc;

   /* Compute the expected number of segments of each length */
   /* NbExp [s] = n * d! * Stirling (d-1, s-1) / d^s for d <= s <= t - 1 */
   /* NbExp [t] = n * (1 - d! * Stirling (d, t-1) / d^{t-1}) */
   dInt = d;
   num2_CalcMatStirling (&M, d, t - 1);
   Mult = n;
   for (s = 1; s <= d; s++) {
      Mult *= s / dReal;
   }
   NbExp[d] = Mult;
   Moydes = d * Mult;
   for (s = d + 1; s < t; s++) {
      Mult /= dReal;
      NbExp[s] = Mult * M[d - 1][s - 1];
      Moydes += s * NbExp[s];
   }
   NbExp[t] = n - Mult * M[d][t - 1];
   Moydes += t * NbExp[t];
   Moydes /= n;
 /* 
   if (swrite_Basic) {
       printf ("   Expected value of s = ");
	   num_WriteD (Moydes, 10, 2, 2);
      printf ("\n\n");
   }
 */
   if (swrite_Classes)
      gofs_WriteClasses (NbExp, Loca, d, t, 0);
   gofs_MergeClasses (NbExp, Loca, &dd, &tt, &NbGroups);
   if (swrite_Classes)
      gofs_WriteClasses (NbExp, Loca, dd, tt, NbGroups);
   res->jmin = dd;
   res->jmax = tt;
   res->degFree = NbGroups - 1;
   if (res->degFree < 1) {
      if (localRes)
         sres_DeleteChi2 (res);
      return;
   }

   sprintf (str, "The N statistic values (a ChiSquare with %1ld degrees"
                 " of freedom):", NbGroups - 1);
   statcoll_SetDesc (res->sVal1, str);

   /* Beginning of test */
   for (Seq = 1; Seq <= N; Seq++) {
      for (s = dInt; s <= MAXT; s++)
         Nb[s] = 0;
      for (Segm = 1; Segm <= n; Segm++) {
         /* One collection of values. */
         for (k = 0; k < dInt; k++)
            Occurs[k] = FALSE;
         ++Nb[Loca[NRepet (gen, dInt, r, Occurs)]];
      }
      if (swrite_Counters)
         tables_WriteTabL (Nb, dd, tt, 5, 10, "Observed numbers:");

      X2 = gofs_Chi2 (NbExp, Nb, dd, tt);
      statcoll_AddObs (res->sVal1, X2);
   }

   V[0] = NbGroups - 1;
   gofw_ActiveTests2 (res->sVal1->V, res->pVal1->V, N, wdist_ChiSquare, V,
      res->sVal2, res->pVal2);
   res->pVal1->NObs = N;
   sres_GetChi2SumStat (res);

   if (swrite_Collectors) {
      statcoll_Write (res->sVal1, 5, 14, 4, 3);
   }
   if (swrite_Basic) {
      swrite_AddStrChi (str, LENGTH, res->degFree);
      gofw_WriteActiveTests2 (N, res->sVal2, res->pVal2, str);
      swrite_Chi2SumTest (N, res);
      swrite_Final (gen, Timer);
   }
   num2_FreeMatStirling (&M, d);
   if (localRes)
      sres_DeleteChi2 (res);
   chrono_Delete (Timer);
}
Exemple #2
0
void sknuth_SimpPoker (unif01_Gen *gen, sres_Chi2 *res,
                       long N, long n, int r, int d, int k)
{
   long Seq;                      /* Replication number */
   long NbGroups;                 /* Number of classes */
   long jhigh;
   long jlow;
   long Groupe;
   long L;
   int Minkd;
   int s, j;
   double X2;
   double Mult;
   double *NbExp;
   long *Loca;
   long *Nb;
   lebool Occurs[1 + Maxkd];
   double **M;
   double V[1];                   /* Number degrees of freedom for Chi2 */
   char str[LENGTH + 1];
   lebool localRes = FALSE;
   chrono_Chrono *Timer;
   char *TestName = "sknuth_SimpPoker test";

   Timer = chrono_Create ();
   if (swrite_Basic)
      WriteDataPoker (gen, TestName, N, n, r, d, k);

   util_Assert (d <= Maxkd, "sknuth_SimpPoker:   d > 127");
   util_Assert (k <= Maxkd, "sknuth_SimpPoker:   k > 127");
   util_Assert (d > 1, "sknuth_SimpPoker:   d < 2");
   util_Assert (k > 1, "sknuth_SimpPoker:   k < 2");
   if (k < d)
      Minkd = k;
   else
      Minkd = d;

   num2_CalcMatStirling (&M, Minkd, k);

   if (res == NULL) {
      localRes = TRUE;
      res = sres_CreateChi2 ();
   }
   sres_InitChi2 (res, N, Minkd, "sknuth_SimpPoker");
   NbExp = res->NbExp;
   Nb = res->Count;
   Loca = res->Loc;

   /* NbExp[s] = n * d * (d-1) * ... * (d-s+1) * M [s,k] / d^k.  */
   Mult = n * pow ((double) d, -(double) k);
   for (s = 1; s <= Minkd; s++) {
      Mult *= d - s + 1;
      NbExp[s] = Mult * M[s][k];
   }
   jlow = 1;
   jhigh = Minkd;
   if (swrite_Classes)
      gofs_WriteClasses (NbExp, Loca, jlow, jhigh, 0);
   gofs_MergeClasses (NbExp, Loca, &jlow, &jhigh, &NbGroups);
   if (swrite_Classes)
      gofs_WriteClasses (NbExp, Loca, jlow, jhigh, NbGroups);
   res->jmin = jlow;
   res->jmax = jhigh;
   res->degFree = NbGroups - 1;
   if (res->degFree < 1) {
      if (localRes)
         sres_DeleteChi2 (res);
      return;
   }
   sprintf (str, "The N statistic values (a ChiSquare with %1ld degrees"
                 " of freedom):", NbGroups - 1);
   statcoll_SetDesc (res->sVal1, str);

   for (Seq = 1; Seq <= N; Seq++) {
      for (s = 1; s <= Minkd; s++)
         Nb[s] = 0;
      for (Groupe = 1; Groupe <= n; Groupe++) {
         /* Draw one poker hand */
         for (j = 0; j < d; j++)
            Occurs[j] = FALSE;
         s = 0;                   /* s = number of different values */
         for (j = 1; j <= k; j++) {
            L = unif01_StripL (gen, r, d);
            if (!Occurs[L]) {
               Occurs[L] = TRUE;
               ++s;
            }
         }
         ++Nb[Loca[s]];
      }
      if (swrite_Counters)
         tables_WriteTabL (Nb, jlow, jhigh, 5, 10, "Observed numbers:");

      X2 = gofs_Chi2 (NbExp, Nb, jlow, jhigh);
      statcoll_AddObs (res->sVal1, X2);
   }

   V[0] = NbGroups - 1;
   gofw_ActiveTests2 (res->sVal1->V, res->pVal1->V, N, wdist_ChiSquare, V,
      res->sVal2, res->pVal2);
   res->pVal1->NObs = N;
   sres_GetChi2SumStat (res);

   if (swrite_Collectors) {
      statcoll_Write (res->sVal1, 5, 14, 4, 3);
   }
   if (swrite_Basic) {
      swrite_AddStrChi (str, LENGTH, res->degFree);
      gofw_WriteActiveTests2 (N, res->sVal2, res->pVal2, str);
      swrite_Chi2SumTest (N, res);
      swrite_Final (gen, Timer);
   }
   num2_FreeMatStirling (&M, Minkd);
   if (localRes)
      sres_DeleteChi2 (res);
   chrono_Delete (Timer);
}
static int svaria_CollisionArgMax_00 (unif01_Gen *gen, sres_Chi2 *res,
   long N, long n, int r, long k, long m)
/*
 * Return 0 if no error, otherwise return != 0.
 */
{
   double X;
   double U;
   double Max;
   long NbColl;
   long Indice = -1;
   long j;
   long i;
   long Rep;
   long Seq;
   long NbClasses;
   long *Loc;
   int *Urne;
   double V[1];
   fmass_INFO Q;
   lebool localRes = FALSE;
   chrono_Chrono *chro, *Timer;
   char *TestName = "svaria_CollisionArgMax test";
   char chaine[LEN1 + 1] = "";
   char str[LEN2 + 1];

   Timer = chrono_Create ();
   if (swrite_Basic)
      WriteDataArgMax (gen, TestName, N, n, r, k, m);

   util_Assert (n <= 4 * k, "svaria_CollisionArgMax:   n > 4k");
   /*   util_Assert (m > 2.0 * gofs_MinExpected,
	"svaria_CollisionArgMax:    m <= 2*gofs_MinExpected"); */

   if (res == NULL) {
      localRes = TRUE;
      res = sres_CreateChi2 ();
   }
   sres_InitChi2 (res, N, n, "svaria_CollisionArgMax");
   Loc = res->Loc;
   Urne = util_Calloc ((size_t) k + 1, sizeof (int));

   if (svaria_Timer) {
      printf ("-----------------------------------------------");
      printf ("\nCPU time to initialize the collision distribution:  ");
      chro = chrono_Create ();
   }
   Q = smultin_CreateCollisions (n, (smultin_CellType) k);
   if (svaria_Timer) {
      chrono_Write (chro, chrono_hms);
      printf ("\n\n");
   }

   /* Compute the expected numbers of collisions: m*P(j) */
   for (j = 0; j <= n; j++)
      res->NbExp[j] = m * smultin_CollisionsTerm (Q, j);
   smultin_DeleteCollisions (Q);

   res->jmin = 0;
   res->jmax = n;
   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, 0);

   gofs_MergeClasses (res->NbExp, Loc, &res->jmin, &res->jmax, &NbClasses);

   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, NbClasses);

   strncpy (chaine, "CollisionArgMax sVal1:   chi2 with ", (size_t) LEN1);
   sprintf (str, "%ld", NbClasses - 1);
   strncat (chaine, str, (size_t) LEN2);
   strncat (chaine, " degrees of freedom", (size_t) LEN1);
   statcoll_SetDesc (res->sVal1, chaine);
   res->degFree = NbClasses - 1;
   if (res->degFree < 1) {
      if (localRes)
         sres_DeleteChi2 (res);
      return 1;
   }

   if (svaria_Timer)
      chrono_Init (chro);

   for (Seq = 1; Seq <= N; Seq++) {
      for (j = 0; j <= n; j++)
         res->Count[j] = 0;

      for (Rep = 1; Rep <= m; Rep++) {
         for (j = 0; j <= k; j++)
            Urne[j] = -1;

         NbColl = 0;
         for (j = 1; j <= n; j++) {
            Max = -1.0;
            for (i = 1; i <= k; i++) {
               U = unif01_StripD (gen, r);
               if (U > Max) {
                  Max = U;
                  Indice = i;
               }
            }
            if (Urne[Indice] < 0)
               Urne[Indice] = 1;
            else
               ++NbColl;
         }
         if (NbColl > res->jmax)
            ++res->Count[res->jmax];
         else
            ++res->Count[Loc[NbColl]];
      }
      if (swrite_Counters)
         tables_WriteTabL (res->Count, res->jmin, res->jmax, 5, 10,
                           "Observed numbers:");
      X = gofs_Chi2 (res->NbExp, res->Count, res->jmin, res->jmax);
      statcoll_AddObs (res->sVal1, X);
   }

   if (svaria_Timer) {
      printf ("\n----------------------------------------------\n"
              "CPU time for the test           :  ");
      chrono_Write (chro, chrono_hms);
      printf ("\n\n");
      chrono_Delete (chro);
   }

   V[0] = NbClasses - 1;
   gofw_ActiveTests2 (res->sVal1->V, res->pVal1->V, N, wdist_ChiSquare, V,
                      res->sVal2, res->pVal2);
   res->pVal1->NObs = N;
   sres_GetChi2SumStat (res);
   
   if (swrite_Collectors)
      statcoll_Write (res->sVal1, 5, 14, 4, 3);

   if (swrite_Basic) {
      swrite_AddStrChi (str, LEN2, res->degFree);
      gofw_WriteActiveTests2 (N, res->sVal2, res->pVal2, str);
      swrite_Chi2SumTest (N, res);
      swrite_Final (gen, Timer);
   }
   util_Free (Urne);
   if (localRes)
      sres_DeleteChi2 (res);
   chrono_Delete (Timer);
   return 0;
}
void svaria_SumCollector (unif01_Gen * gen, sres_Chi2 * res,
   long N, long n, int r, double g)
{
   const double gmax = 10.0;      /* Maximal value of g */
   const int jmax = 50;           /* Maximal number of classes */
   int j;                         /* Class index */
   long Seq;
   long i;
   double X;
   double Y;
   double Sum;
   long NbClasses;
   long *Loc;
   double V[1];
   lebool localRes = FALSE;
   chrono_Chrono *Timer;
   char *TestName = "svaria_SumCollector test";
   char chaine[LEN1 + 1] = "";
   char str[LEN2 + 1];

   Timer = chrono_Create ();
   if (swrite_Basic)
      WriteDataSumColl (gen, TestName, N, n, r, g);

   if (g < 1.0 || g > gmax) {
      util_Error ("svaria_SumCollector:   g < 1.0 or g > 10.0");
   }
   if (res == NULL) {
      localRes = TRUE;
      res = sres_CreateChi2 ();
   }
   sres_InitChi2 (res, N, jmax, "svaria_SumCollector");
   Loc = res->Loc;

   res->jmin = g;
   res->jmax = jmax;
   Sum = 0.0;
   for (j = res->jmin; j < jmax; j++) {
      res->NbExp[j] = n * ProbabiliteG (res->jmin, j, g);
      Sum += res->NbExp[j];
   }
   res->NbExp[jmax] = util_Max (0.0, n - Sum);

   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, 0);
   gofs_MergeClasses (res->NbExp, Loc, &res->jmin, &res->jmax, &NbClasses);
   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, NbClasses);

   strncpy (chaine, "SumCollector sVal1:   chi2 with ", (size_t) LEN1);
   sprintf (str, "%ld", NbClasses - 1);
   strncat (chaine, str, (size_t) LEN2);
   strncat (chaine, " degrees of freedom", (size_t) LEN1);
   statcoll_SetDesc (res->sVal1, chaine);
   res->degFree = NbClasses - 1;
   if (res->degFree < 1) {
      if (localRes)
         sres_DeleteChi2 (res);
      return;
   }

   for (Seq = 1; Seq <= N; Seq++) {
      for (j = 1; j <= jmax; j++)
         res->Count[j] = 0;

      for (i = 1; i <= n; i++) {
         X = 0.0;
         j = 0;
         do {
            X += unif01_StripD (gen, r);
            ++j;
         }
         while (X <= g);
         if (j > res->jmax)
            ++res->Count[res->jmax];
         else
            ++res->Count[Loc[j - 1]];
      }
      if (swrite_Counters)
         tables_WriteTabL (res->Count, res->jmin, res->jmax, 5, 10,
                           "Observed numbers:");
      Y = gofs_Chi2 (res->NbExp, res->Count, res->jmin, res->jmax);
      statcoll_AddObs (res->sVal1, Y);
   }

   V[0] = NbClasses - 1;
   gofw_ActiveTests2 (res->sVal1->V, res->pVal1->V, N, wdist_ChiSquare, V,
                      res->sVal2, res->pVal2);
   res->pVal1->NObs = N;
   sres_GetChi2SumStat (res);
   
   if (swrite_Collectors)
      statcoll_Write (res->sVal1, 5, 14, 4, 3);

   if (swrite_Basic) {
      swrite_AddStrChi (str, LEN2, res->degFree);
      gofw_WriteActiveTests2 (N, res->sVal2, res->pVal2, str);
      swrite_Chi2SumTest (N, res);
      swrite_Final (gen, Timer);
   }
   if (localRes)
      sres_DeleteChi2 (res);
   chrono_Delete (Timer);
}
void svaria_WeightDistrib (unif01_Gen * gen, sres_Chi2 * res,
   long N, long n, int r, long k, double Alpha, double Beta)
{
   long W;
   long j;
   long i;
   long Seq;
   double X;
   double U;
   double p;
   double nLR = n;
   double V[1];
   long NbClasses;
   long *Loc;
   fmass_INFO Q;
   lebool localRes = FALSE;
   chrono_Chrono *Timer;
   char *TestName = "svaria_WeightDistrib test";
   char chaine[LEN1 + 1] = "";
   char str[LEN2 + 1];

   Timer = chrono_Create ();
   if (swrite_Basic)
      WriteDataWeight (gen, TestName, N, n, r, k, Alpha, Beta);

   /*   util_Assert (n >= 3.0 * gofs_MinExpected,
	"svaria_WeightDistrib:   n is too small"); */
   util_Assert (Alpha <= 1.0 && Alpha >= 0.0,
      "svaria_WeightDistrib:    Alpha must be in [0, 1]");
   util_Assert (Beta <= 1.0 && Beta >= 0.0,
      "svaria_WeightDistrib:    Beta must be in [0, 1]");
   p = Beta - Alpha;

   if (res == NULL) {
      localRes = TRUE;
      res = sres_CreateChi2 ();
   }
   sres_InitChi2 (res, N, k, "svaria_WeightDistrib");
   Loc = res->Loc;

   /* Compute binomial probabilities and multiply by n */
   Q = fmass_CreateBinomial (k, p, 1.0 - p);
   for (i = 0; i <= k; i++)
      res->NbExp[i] = nLR * fmass_BinomialTerm2 (Q, i);
   fmass_DeleteBinomial (Q);

   res->jmin = 0;
   res->jmax = k;
   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, 0);

   /* Merge classes for the chi-square */
   gofs_MergeClasses (res->NbExp, Loc, &res->jmin, &res->jmax, &NbClasses);

   if (swrite_Classes)
      gofs_WriteClasses (res->NbExp, Loc, res->jmin, res->jmax, NbClasses);

   strncpy (chaine, "WeightDistrib sVal1:   chi2 with ", (size_t) LEN1);
   sprintf (str, "%ld", NbClasses - 1);
   strncat (chaine, str, (size_t) LEN2);
   strncat (chaine, " degrees of freedom", (size_t) LEN1);
   statcoll_SetDesc (res->sVal1, chaine);
   res->degFree = NbClasses - 1;
   if (res->degFree < 1) {
      if (localRes)
         sres_DeleteChi2 (res);
      return;
   }

   for (Seq = 1; Seq <= N; Seq++) {
      for (i = 0; i <= k; i++)
         res->Count[i] = 0;
      for (i = 1; i <= n; i++) {
         W = 0;
         for (j = 1; j <= k; j++) {
            U = unif01_StripD (gen, r);
            if (U >= Alpha && U < Beta)
               ++W;
         }
         if (W > res->jmax)
            ++res->Count[res->jmax];
         else
            ++res->Count[Loc[W]];
      }
      if (swrite_Counters)
         tables_WriteTabL (res->Count, res->jmin, res->jmax, 5, 10,
                           "Observed numbers:");

      X = gofs_Chi2 (res->NbExp, res->Count, res->jmin, res->jmax);
      statcoll_AddObs (res->sVal1, X);
   }

   V[0] = NbClasses - 1;
   gofw_ActiveTests2 (res->sVal1->V, res->pVal1->V, N, wdist_ChiSquare, V,
                      res->sVal2, res->pVal2);
   res->pVal1->NObs = N;
   sres_GetChi2SumStat (res);

   if (swrite_Collectors)
      statcoll_Write (res->sVal1, 5, 14, 4, 3);

   if (swrite_Basic) {
      swrite_AddStrChi (str, LEN2, res->degFree);
      gofw_WriteActiveTests2 (N, res->sVal2, res->pVal2, str);
      swrite_Chi2SumTest (N, res);
      swrite_Final (gen, Timer);
   }
   if (localRes)
      sres_DeleteChi2 (res);
   chrono_Delete (Timer);
}