Mean of a column in a data frame, given the column's name

Question

I\'m inside a big function I have to write. In the last part I have to calculate the mean of a column in a data frame. The name of the column I am operating on is given as a

Answer 1

Use summarise in the dplyr package:

library(dplyr)
summarise(df, Average = mean(col_name, na.rm = T))

note: dplyr supports both summarise and summarize.