Variance
variance
Calculates the sample variance of a numeric column.
Spec
variance(arg0)Parameters
arg0 - A numeric column.Return Value
A double: the sample variance.Example
datatable(val:double)[1.0, 2.0, 3.0, 4.0, 5.0]
| summarize var = variance(val)| var |
|---|
| 2.5 |