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 vote286 views1 answer
How to match two time series in r
R
0 vote286 views1 answer
R yardstick confusion matrix
R
0 vote268 views1 answer
How to add columns to a flextable in r
R
1 vote290 views1 answer
R range with step
R
1 vote273 views1 answer
R mean by group
R
2 votes266 views1 answer
Rep in r
R
12 votes420 views5 answers
Regex examples
R
0 vote273 views1 answer
Ggplot - subset top 10 in a stack bar plot
R
0 vote260 views1 answer
Reverse row order dataframe R
R
1 vote257 views1 answer
KnnImputation in r
R