@technobuddha > library > Math > Statistics
Function: variance()
ts
function variance(...dataPoints: number[]): number;Defined in: variance.ts:20
Returns the unbiased sample Variance of the arguments.
Parameters
| Parameter | Type | Description |
|---|---|---|
...dataPoints | number[] | Number samples to analyze. |
Returns
number
The unbiased sample variance of the arguments (0 if fewer than two samples were provided, or NaN if any of the samples is not a valid number).
Example
typescript
variance(2, 4, 4, 4, 5, 5, 7, 9); // 4
variance(1, 1, 1, 1); // 0
variance(); // NaN
variance(1, 2, NaN); // NaN