/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

9 votes284 views3 answers
Replace na with 0 in R
R
2 votes158 views2 answers
How to iterate through a list in r
R
0 vote117 views1 answer
R produce 10 alphabet
R
0 vote111 views1 answer
Remove first and last character from string R
R
1 vote126 views1 answer
Glyph in r
R
5 votes259 views2 answers
R load packages
R
0 vote114 views1 answer
Add padding to number r
R
1 vote113 views1 answer
Add a vertical line in ggplot
R
0 vote103 views1 answer
Grid.arrange
R
0 vote109 views1 answer
Distance matrix in r
R