sample_n_of: sample elements from subgroup

In RemiMahmoud/functions.helper: A package with a bunch of useful functions

Description

Taken and adapted from https://www.tjmahr.com/sample-n-groups/

Usage

sample_n_of(data, size, ...)

Arguments

data	tibble
size	the number subgroups you want sample
...	the column names the subgroup you want sample

Value

tibble with elements belonging the sampled subgroups

Examples

library(dplyr)
 mtcars %>% sample_n_of(2,cyl) %>% distinct(cyl)

mtcars %>%
mutate(rowid = 1:n()) %>%
group_by(cyl) %>%
do(sample_n_of(., 2,rowid))

RemiMahmoud/functions.helper documentation built on April 23, 2021, 4:07 p.m.