stddev_pop
aggregate function
Applies to: Databricks SQL Databricks Runtime
Returns the population standard deviation calculated from the values of a group.
Syntax
stddev_pop ( [ALL | DISTINCT] expr ) [FILTER ( WHERE cond ) ]
This function can also be invoked as a window function using the OVER
clause.
Arguments
expr
: An expression that evaluates to a numeric.cond
: An optional Boolean expression filtering the rows used for aggregation.