Combining chocolates
While the combine() function shines the most when applied to different groups, you can still use it on normal DataFrames. Let's see how to use different functions on different columns!
The DataFrames and Statistics packages, and the chocolates dataset, have been loaded for you.
This exercise is part of the course
Data Manipulation in Julia
Exercise instructions
- Using
combine(), find out the mean ofrating, the median ofcocoa, and the standard deviation ofREFusingstd.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Compute mean of rating, median of cocoa, and std of REF
____(____, ____ => ____, ____ => ____, ____ => ____)