Created
January 20, 2018 13:23
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| dpl_gr <- function(ds,vars){ | |
| ds %>% | |
| group_by_(.dots = vars) %>% | |
| summarise(n = n()) %>% | |
| mutate(freq = n / sum(n)) | |
| } | |
| dpl_gr(mtcars,c("am","cyl")) |
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