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Variance


Header: STD.h
Namespace: avl

Computes the variance of an array of real numbers. The array must be not empty.

Syntax

void avl::Variance
(
	const atl::Array<float>& inValues,
	const bool inUseSampleFormula,
	float& outVariance
)

Parameters

Name Type Default Description
Input value inValues const Array<float>&
Input value inUseSampleFormula const bool
Output value outVariance float&

Hints

  • If the input array is not guaranteed to be non-empty, precede this filter with SkipEmptyArray.

Errors

List of possible exceptions:

Error type Description
DomainError Cannot calculate Variance of sample of size 1. Correct input data, or use Variance filter for population.