Function sd

sd(x: Sample, options?: NaRmOptions): number
Sample standard deviation (denominator n - 1). Equivalent to R's sd().
Parameters
- x: Sample
- options: NaRmOptions = {}
Returns number
Example
```
sd([2, 4, 4, 4, 5, 5, 7, 9]); // 2.138
```
- Defined in descriptive/basic.ts:294