PGAStddev(5) PGAPack PGAStddev(5)
NAME
PGAStddev - calculates the standard deviation of an array of elements
INPUT PARAMETERS
ctx - context variable
a - array to take the standard deviation of
n - number of elements in array a
mean - the mean of the elements in array a
OUTPUT PARAMETERS
none
SYNOPSIS
#include "pgapack.h"
double PGAStddev(ctx, a, n, mean)
PGAContext *ctx
double *a
int n
double mean
LOCATION
utility.c
EXAMPLE
Example:
PGAContext *ctx;
double a[100], mean, sigma;
:
mean = PGAMean(ctx, a, 100);
sigma = PGAStddev(ctx, a, 100, mean);
05/01/95 PGAStddev(5)
