get_row_group_by: Fetch one row from each grouped by group

In dataMojo: Reshape Data Table

Fetch one row from each grouped by group

Description

Fetch one row from each grouped by group

Usage

get_row_group_by(dt, group_by_cols, fetch_row)

Arguments

dt	input data table
group_by_cols	group by columns
fetch_row	first means to fetch first row and last means to fetch last row

Value

grouped by data table

Examples

data("dt_groups")
dataMojo::get_row_group_by(dt_groups,
                           group_by_cols = c("group1", "group2"),
                           fetch_row = "first")

dataMojo documentation built on March 7, 2023, 8:10 p.m.