Exercise

Nesting select

The select() function of the dplyr package can be nested into other functions.

A data frame businesshours is pre-loaded in the workspace.

Instructions

100 XP

Make a summary of QR1 and QR2 by nesting the select() function into just one summary() function.
Calculate the mean of QR3 with the mean() function.

Take Hint (-30 XP)