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KDATA_PMFSTDDEV(3)	    Library Functions Manual	    KDATA_PMFSTDDEV(3)

NAME
       kdata_pmfstddev -- compute probability mass function standard deviation
       of data

LIBRARY
       library "libkplot"

SYNOPSIS
       #include	<cairo.h>
       #include	<kplot.h>

       double
       kdata_pmfstddev(const struct kdata *data);

DESCRIPTION
       The  kdata_pmfstddev function compute the standard deviation (i.e., the
       square root of kdata_pmfvar(3)) of its data as if it were a probability
       mass function.

RETURN VALUES
       If the data source has zero entries or the sum of the y values is  0.0,
       kdata_pmfstddev returns 0.0.  Otherwise,	it returns the standard	devia-
       tion.

SEE ALSO
       kdata_pmfmean(3), kdata_pmfvar(3), kplot(3)

FreeBSD	ports 15.quarterly     January 29, 2015		    KDATA_PMFSTDDEV(3)

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