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

VAR_POP example

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

VAR_POP example

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

VAR_POP example

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

VAR_POP example

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

Usage Notes

For single record inputs, VAR_POP returns 0.