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);