Use summarize multiple columns r

library(dplyr)

df %>% group_by(grp) %>% summarise(across(everything(), list(mean)))
#> # A tibble: 3 x 5
#>     grp     a     b     c     d
#>   <int> <dbl> <dbl> <dbl> <dbl>
#> 1     1  3.08  2.98  2.98  2.91
#> 2     2  3.03  3.04  2.97  2.87
#> 3     3  2.85  2.95  2.95  3.06

Source: stackoverflow.com

Similar codes

1 vote218 views1 answer
Name elements in vector r
R
0 vote220 views1 answer
Date difference from today in r
R
0 vote235 views1 answer
Lubridate sequence of dates
R
1 vote228 views1 answer
Why is correlation na in r
R
0 vote226 views1 answer
Extract r squared from lm in r
R
0 vote248 views1 answer
Str_detect multiple patterns
R
0 vote247 views1 answer
Rmarkdown put date
R
6 votes316 views2 answers
Remove na from vector r
R
0 vote218 views1 answer
Print the names of all worksheets in r
R
0 vote247 views2 answers
Median of a row dataframe in r
R