Exercise

Sort the long data

Okay, we've got the choice data into long format in chocolate, but there are a couple things to do to tidy up. First, it would be nice to sort chocolate so that the alternatives for the same choice question appear together.

Instructions

100 XP

Fill in the variables that you want to sort by in the order() function. First chocolate$Subject, then chocolate$Trial, then chocolate$Alt.
Sort the rows in the chocolate data frame using new_order.