group_by columns

See also: https://gist.github.com/skranz/9681509

replyr_group_by(.data, colnames)

Arguments

.data	data.frame
colnames	character vector of column names to group by.

Value

.data grouped by columns named in colnames

See also

group_by, group_by_at

Examples

d <- data.frame(Sepal_Length= c(5.8,5.7),
                Sepal_Width= c(4.0,4.4),
                Species= 'setosa')
replyr_group_by(d, 'Species')
#> # A tibble: 2 x 3
#> # Groups:   Species [1]
#>   Sepal_Length Sepal_Width Species
#>          <dbl>       <dbl> <chr>  
#> 1          5.8         4   setosa 
#> 2          5.7         4.4 setosa