/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 vote200 views2 answers
Median of a row dataframe in r
R
0 vote188 views1 answer
How to remove duplicates based on the combinations of two columns r
R
0 vote194 views8 answers
Rstudio
R
0 vote188 views3 answers
Cbind vectors of different lengths r
R
0 vote154 views1 answer
R save dataframe as txt
R
0 vote173 views1 answer
Replace_na
R
0 vote189 views1 answer
Generate pair with one same variable in r
R
0 vote173 views1 answer
Number of days in a data set in r
R
1 vote178 views1 answer
What is a vector in r
R
0 vote234 views1 answer
R glm select all variables
R