Dplyr colnames r

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

Source: stackoverflow.com

Similar codes

0 vote299 views1 answer
R - create a new empty variable in a dataset
R
0 vote298 views1 answer
Geom_jitter transparency
R
2 votes288 views1 answer
Rep in r
R
0 vote320 views1 answer
R make column of rownames
R
3 votes326 views4 answers
Read csv file in r
R
1 vote287 views1 answer
Change from matrix to a dataframe in r
R
0 vote297 views1 answer
R delete rowif number higher than
R
0 vote313 views1 answer
Sort dataframe dplyr
R
1 vote285 views1 answer
R create new calculated column
R
0 vote302 views1 answer
R for loop append to vector
R