nantest

PURPOSE

SYNOPSIS

DESCRIPTION

 NANTEST checks several mathematical operations and a few 
 statistical functions for their correctness related to NaN's.
 e.g. it checks norminv, normcdf, normpdf, sort, matrix division and multiplication.


 see also: NANINSTTEST

 REFERENCE(S):
 [1] W. Kahan (1996) Lecture notes on the Status of "IEEE Standard 754 for
     Binary Floating-point Arithmetic.

CROSS-REFERENCE INFORMATION

• geomean GEOMEAN calculates the geomentric mean of data elements.
• harmmean HARMMEAN calculates the harmonic mean of data elements.
• mod MOD(x,y) calculates Modules Y from X
• nanstd NANSTD same as STD but ignores NaN's.
• nansum NANSUM same as SUM but ignores NaN's.
• normcdf NORMCDF returns normal cumulative distribtion function
• norminv NORMINV returns inverse cumulative function of the normal distribution
• normpdf NORMPDF returns normal probability density
• quantile QUANTILE calculates the quantiles of histograms and sample arrays.
• rem REM calculates remainder of X / Y
• sumskipnan SUMSKIPNAN adds all non-NaN values.
• tcdf TCDF returns student cumulative distribtion function
• tinv TINV returns inverse cumulative function of the student distribution
• tpdf TPDF returns student probability density