group_by_prepare: Prepare for grouping.

Description Usage Value

View source: R/group-by.r

Description

Performs standard operations that should happen before individual methods process the data. This includes mutating the tbl to add new grouping columns and updating the groups (based on add)

Usage

1

Value

A list

data

Modified tbl

groups

Modified groups


dplyr documentation built on Oct. 16, 2018, 5:04 p.m.