On this page

    Categories: Aggregate, Window

    VAR_POP

    Returns the population variance of non-NULL records.

    Syntax

    VAR_POP(numeric_expression int64) → double

    • numeric_expression: The set of records to calculate variance for.

    Examples

    SELECT VAR_POP(pop) FROM "zips.json"
    -- 1.5167869917122573E8
    

    VAR_POP(numeric_expression double) → double

    • numeric_expression: The set of records to calculate variance for.

    Examples

    SELECT VAR_POP(fare_amount) FROM Samples."samples.dremio.com"."NYC-taxi-trips"
    -- 181.26187022731304
    

    VAR_POP(numeric_expression float) → double

    • numeric_expression: The set of records to calculate variance for.

    Examples

    SELECT VAR_POP(fare_amount) FROM Samples."samples.dremio.com"."NYC-taxi-trips"
    -- 181.26187022731304
    

    VAR_POP(numeric_expression int32) → double

    • numeric_expression: The set of records to calculate variance for.

    Examples

    SELECT VAR_POP(pop) FROM "zips.json"
    -- 1.5167869917122573E8
    

    Usage Notes

    For single record inputs, VAR_POP returns 0.