Returns the variance.
| Category: | Descriptive Statistics |
| Returned data type: | DOUBLE |
specifies any valid expression that evaluates to a numeric value. The argument list can consist of a variable list.
| Requirement | At least two non-null or nonmissing arguments are required. Otherwise, the function returns a null or missing value. |
| Data type | DOUBLE |
| See | <sql-expression> |
| FedSQL Expressions |
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Statements
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Results
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select var(4,2,3.5,6); |
2.7291666667 |
select var(4,6,.); |
2 |