highestAverage() function

highestAverage() calculates the average of each input table and returns the highest n averages.

Note: highestAverage() drops empty tables.

Function type signature

(<-tables: stream[A], n: int, ?column: string, ?groupColumns: [string]) => stream[B] where A: Record, B: Record

Parameters

n

(Required) Number of records to return.

column

Column to evaluate. Default is _value.

groupColumns

List of columns to group by. Default is [].

tables

Input data. Default is piped-forward data (<-).

Examples

Return the highest table average from a stream of tables

import "sampledata"

sampledata.int()
    |> highestAverage(n: 1, groupColumns: ["tag"])