/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 vote146 views1 answer
R: rename a column
R
1 vote169 views1 answer
Read csv online r
R
0 vote128 views1 answer
Rstudio could not find function ggplot
R
0 vote142 views1 answer
Timestamp conversion from excel R
R
0 vote158 views1 answer
R change column value conditionally
R
0 vote137 views1 answer
How to get the r2 value in r
R
1 vote156 views3 answers
R merge by two columns
R
0 vote142 views1 answer
Regex last word in string r
R
1 vote135 views1 answer
R factors as numeric
R
0 vote135 views1 answer
Summary metrics of confusion matrix
R