stata_N: Function to mimic the _N function in Stata

In Steensson/valhalla: A helper for Sebastian

Description

Function to mimic the _N function in Stata

Usage

stata_N(df, idvar, counter_name = "N")

Arguments

df	Your dataframe
idvar	A string containing the name of the group variable
counter_name	The name of the counter variable. Defaults to "N".

Value

Your dataframe but with at counter with the name according to counter_name

Examples

df <- data.frame(id = c("A", "A", "B", "B", "B", "C", "C"), val = rnorm(7))
df <- stata_N(df, "id")

Steensson/valhalla documentation built on May 6, 2019, 5:59 p.m.