Back to Adaptive Vision Library website
You are here: Start » Function Reference » Statistics » Variance
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 | |
|---|---|---|---|---|
 |
inValues | const Array<float>& | ||
|
inUseSampleFormula | const bool | ||
 |
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. |
