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.
Cet exercice fait partie du cours
Data Manipulation in Julia
Instructions
- Using
combine(), find out the mean ofrating, the median ofcocoa, and the standard deviation ofREFusingstd.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Compute mean of rating, median of cocoa, and std of REF
____(____, ____ => ____, ____ => ____, ____ => ____)