R: weighted mean

wtd_mean

R Documentation

weighted mean

wtd_mean returns the weighted mean of a variable. It's a tidy-compatible wrapper around stats::weighted.mean().

wtd_mean(df, variable, weight)

`df`	The data source
`variable`	the variable, it should be numeric
`weight`	The weighting variable

a numeric value

wtd_mean(illinois, age, weight)

library(dplyr)
illinois %>% wtd_mean(age, weight)