inst/test/code/group-by-mutate-1.R

library(dplyr)

mt <- mtcars %>%
  as_tibble() %>%
  select(mpg, cyl, hp) %>%
  group_by(cyl) %>%
  slice(1:2)

mt %>%
  mutate(Max_HP = max(hp))
seankross/mario documentation built on Dec. 22, 2021, 11:15 p.m.