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 vote228 views1 answer
How to link world bank data into r
R
0 vote275 views1 answer
Tidytext extract url r
R
0 vote261 views1 answer
Date difference from today in r
R
4 votes399 views1 answer
Correlation matrix in r
R
4 votes380 views6 answers
Read csv in r
R
0 vote312 views1 answer
R extract top values from data frame
R
2 votes273 views1 answer
R convert accented characters
R
0 vote297 views1 answer
Sort dataframe dplyr
R
3 votes334 views1 answer
R language comment
R
1 vote287 views2 answers
Convert dataframe row to vector r
R