group_by.list: Group by one or more variables

In twolodzko/lolplyr: Adapting dplyr for lists-of-lists

Description

group_by re-arranges list, by creating a hierarchical list groupped according to variables listed in .... To back-transform the groupped list, use unlist.

Usage

## S3 method for class 'list'
group_by(.data, ..., warn = TRUE)

## S3 method for class 'grouped_list'
ungroup(x, ...)

is_grouped_list(x)

Arguments

.data	a list.
...	variables to group by.
warn	throw warnings when encountering errors in selecting variables (FALSE by default).
x	an object.

twolodzko/lolplyr documentation built on May 14, 2019, 8:22 a.m.