Home > fmri > utils > vanhorn > Fcritical.m

Fcritical

PURPOSE ^

SYNOPSIS ^

function F=Fcritical(p,ndf,ddf)

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function F=Fcritical(p,ndf,ddf)
0002 
0003      r=0.001;
0004      if(ddf>250)
0005         ddf=250;
0006      end
0007 
0008      fmax=sqrt(ndf)*p^-0.5;
0009      f=[0:r:fmax];
0010      g=betainc((ddf./(ddf+ndf.*f)),ddf/2,ndf/2);
0011      h=abs(g-p);
0012      t=find(h==min(h));
0013      F=f(t);
0014

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