statar (version 0.4.0)

group: Group multiple variable (similar to Stata group)

Description

Group multiple variable (similar to Stata group)

Usage

group(..., na.rm = FALSE)

Arguments

...

vectors

na.rm

Should groups where some variable is NA return NA? Default to FALSE

Value

• An integer vector representing groups

Examples

library(dplyr)
mutate(iris, g = group(Species))
mutate(iris, g = group(Species, floor(Sepal.Width)), na.rm = TRUE)