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flag_nans_occured

PURPOSE ^

FLAG_NANS_OCCURED checks whether the last call(s) to sumskipnan or covm

SYNOPSIS ^

function [flag]=flag_nans_occured

DESCRIPTION ^

 FLAG_NANS_OCCURED checks whether the last call(s) to sumskipnan or covm 
 contained any not-a-numbers in the input argument. Because many other 
 functions like mean, std, etc. are also using sumskipnan, 
 also these functions can be checked for NaN's in the input data. 
 
 A call to FLAG_NANS_OCCURED resets also the flag whether NaN's occured. 
 Only sumskipnan or covm can set the flag again. 

 see also: SUMSKIPNAN, COVM

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
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