/R/How to use group_by inside a function?

How to use group_by inside a function?

mytable <- function( x, group ) {
  x %>% 
    group_by( .data[[group]] ) %>% 
    summarise( n = n() )
}

group_string <- 'Species'

mytable( iris, group_string )

`summarise()` ungrouping output (override with `.groups` argument)
# A tibble: 3 x 2
  Species        n
  <fct>      <int>
1 setosa        50
2 versicolor    50
3 virginica     50

Source: stackoverflow.com

Similar codes

1 vote263 views1 answer
R dataframe append row
R
4 votes323 views1 answer
Correlation matrix in r
R
2 votes250 views1 answer
Dplyr replace na
R
1 vote247 views3 answers
R merge by two columns
R
0 vote255 views2 answers
Convert a row to a column in r
R
0 vote247 views1 answer
Filter date in r
R
0 vote241 views1 answer
How to make the minutes zero in r
R
0 vote236 views1 answer
Alpha 2 codes in r
R
0 vote273 views1 answer
R2 in rstudio
R
0 vote243 views1 answer
R tutorial
R