var

statistics

Calculates variance

Syntax

var(array|dataframe)

Parameters

array|dataframe (array or dataframe)

The data to calculate variance from

Returns

number

The variance of the values

Examples

Calculate variance
Input:
[1, 2, 3, 4, 5] | var
Output:
2.5
Variance of measurements from experiments
Input:
.measurements | var
Output:
15.6

The var() function calculates the variance of numeric values, which measures how spread out the values are from their mean.

Usage

Use var() for statistical analysis of data variability and dispersion. Variance is the square of standard deviation.