math stddev for math
Returns the standard deviation of a list of numbers, or of each column in a table.
Signature
> math stddev {flags}
Flags
--sample, -s: calculate sample standard deviation (i.e. using N-1 as the denominator)
Input/output types:
| input | output |
|---|---|
| list<number> | number |
| range | number |
| record | record |
| table | record |
Examples
Compute the standard deviation of a list of numbers
> [1 2 3 4 5] | math stddev
1.4142135623730951Compute the sample standard deviation of a list of numbers
> [1 2 3 4 5] | math stddev --sample
1.5811388300841898Compute the standard deviation of each column in a table
> [[a b]; [1 2] [3 4]] | math stddev
╭───┬───╮
│ a │ 1 │
│ b │ 1 │
╰───┴───╯