Doxygen Source Code Documentation

nifti_statlib.c File Reference

#include "nifti_stats.c"


Defines
#define	OMIT_MAIN
Functions
float	NIFTI_stat_to_pval (float thr, int statcode, float *stataux)
float	NIFTI_pval_to_stat (float pval, int statcode, float *stataux)
float	NIFTI_stat_to_zscore (float thr, int statcode, float *stataux)

#define OMIT_MAIN

Definition at line 8 of file nifti_statlib.c.

Replacement for THD_pval_to_stat(). ----------------------------------------------------------------------------

Definition at line 32 of file nifti_statlib.c.

00033 {
00034    float stat = -1.0f ;
00035 
00036    if( pval >= 0.999999f ) return 0.0f ;
00037 
00038    return pval ;
00039 }

NIfTI correlation has 1 DOF param, AFNI has 3
AFNI p-values are 2-sided for some distributions:
- CORREL, TTEST, ZSCORE, NORMAL, LOGISTIC, LAPLACE
- that is, those whose domain runs from -infinity..+infinity ----------------------------------------------------------------------------

Definition at line 19 of file nifti_statlib.c.

References thr.

00020 {
00021    float pval = -1.0f ;
00022 
00023    if( thr == 0.0f ) return 1.0f ;
00024 
00025    return pval ;
00026 }

Replacement for THD_stat_to_zscore(). ----------------------------------------------------------------------------

Definition at line 45 of file nifti_statlib.c.

References thr.

00046 {
00047    float zscore = thr ;
00048 
00049    return zscore ;
00050 }