ttest.dem

Delphi Pascal 数据挖掘领域算法包 数值算法大全

PROGRAM d13r3(input,output);
(* driver for routine TTEST *)
(* generate gaussian distributed data *)
CONST
   npts=1024;   (* npts must be > mpts for TTEST.PAS *)
   mpts=512;
   eps=0.03;
   nshft=10;
TYPE
   glnarray = ARRAY [1..npts] OF real;
   glmarray = ARRAY [1..mpts] OF real;
   glnparray = glnarray;
VAR
   glinext,glinextp : integer;
   glma : ARRAY [1..55] OF real;
   gliset : integer;
   glgset : real;
   data1 : glnarray;
   data2 : glmarray;
   i,idum,j : integer;
   prob,t : real;

(*$I MODFILE.PAS *)
(*$I AVEVAR.PAS *)

(*$I GAMMLN.PAS *)

(*$I BETACF.PAS *)

(*$I BETAI.PAS *)

(*$I RAN3.PAS *)

(*$I GASDEV.PAS *)

(*$I TTEST.PAS *)

BEGIN
   gliset := 0;
   idum := -11;
   FOR i := 1 to npts DO data1[i] := gasdev(idum);
   FOR i := 1 to mpts DO data2[i] := (nshft DIV 2)*eps+gasdev(idum);
   writeln('shift':6,'t':8,'probability':16);
   FOR i := 1 to (nshft+1) DO BEGIN
      ttest(data1,npts,data2,mpts,t,prob);
      writeln((i-1)*eps:6:2,t:10:2,prob:10:2);
      FOR j := 1 to npts DO data1[j] := data1[j]+eps
   END
END.