Syntax

GROUPTOPN(<any>;[<integer>])

Description

Selects the top N values from a group. If this function is applied on a date column, top N means the N most recent dates.

This is a group series function.

Example

Given the following data:

Groups	Participants
group1	6
group1	12
group1	5
group1	5
group1	5
group1	7
group1	5
group1	9
group1	8
group2	24
group2	24
group2	24
group2	33
group2	33
group2	29
group2	30
group2	32
group2	35

First create a group using GROUPBY(#RawData!Groups)

Groups
group1
group2

Then use the GROUPTOPN(#RawData!Participants;3). The result is the top "N" (in this case "3") values of the column in relation to the GROUPBY() column.

Groups	Participants_TOP3
group1	12
group1	9
group1	8
group2	35
group2	33
group2	33

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