/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

0 vote210 views1 answer
Hackerrank input r
R
3 votes267 views3 answers
Rename variables in r
R
2 votes220 views2 answers
R remove row names
R
1 vote222 views1 answer
Glyph in r
R
1 vote210 views1 answer
Expression in r
R
0 vote218 views1 answer
Open('data.txt', 'r')
R
0 vote213 views1 answer
Remove , in numbers in r
R
3 votes309 views1 answer
R language comment
R
0 vote219 views1 answer
Remove all trailing whitspaces R
R
2 votes256 views3 answers
How to use recursion in r
R