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Index Variance

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# Variance

Developer
Futurama-Editor
Futurama-Formulas

Module: Editor

Version: 18.03+

Type: Double

Category: Statistical

## Description

The formula 'Variance' returns the variance of a matrix over the rows or the columns of that matrix, depending on the chosen dimension.

## Parameters

Matrix:

The matrix you want to know the variance of.

Dimension:

The dimension to take the variance over. 1 means downwards (over rows), 2 means rightwards (over columns).

## Example

### Description

In the following example the formula 'Variance' is used to take the variance over the columns.

### Values parameters

Matrix:

Column1 Column2 Column3 Column4 Column5
13 11 17 12 11
1 9 4 2 8

Dimension: 2

### Result

Matrix:

Column1
6,2
12,7

As you see the results are the variances of the rows of the matrix.