Breaking News: Grepper is joining You.com. Read the official announcement!

dplyr colnames r

Wrong Whale answered on September 21, 2021 Popularity 3/10 Helpfulness 9/10

answer dplyr colnames r

dplyr colnames r

Comment

group_by(mtcars, cyl) %>%
  summarise(mean(disp), mean(hp)) %>%
  `colnames<-`(c("cyl", "disp_mean", "hp_mean"))
  # or
  # `names<-`(c("cyl", "disp_mean", "hp_mean"))
  # setNames(., c("cyl", "disp_mean", "hp_mean")) 

#   cyl disp_mean   hp_mean
# 1   4  105.1364  82.63636
# 2   6  183.3143 122.28571
# 3   8  353.1000 209.21429

Popularity 3/10 Helpfulness 9/10 Language r

Source: stackoverflow.com

Tags: dplyr r

Link to this answer
Share Copy Link