nushell/docs/commands/dfr_aggregate.md

title	layout	version
dfr aggregate	command	0.59.0

Performs an aggregation operation on a dataframe and groupby object

Signature

> dfr aggregate (operation_name) --quantile --explicit

Parameters

• operation_name: Dataframes: mean, sum, min, max, quantile, median, var, std GroupBy: mean, sum, min, max, first, last, nunique, quantile, median, var, std, count
• --quantile {number}: quantile value for quantile operation
• --explicit: returns explicit names for groupby aggregations

Examples

Aggregate sum by grouping by column a and summing on col b

> [[a b]; [one 1] [one 2]] | dfr to-df | dfr group-by a | dfr aggregate sum

Aggregate sum in dataframe columns

> [[a b]; [4 1] [5 2]] | dfr to-df | dfr aggregate sum

Aggregate sum in series

> [4 1 5 6] | dfr to-df | dfr aggregate sum