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.
Deze oefening maakt deel uit van de cursus
Data Manipulation in Julia
Oefeninstructies
- Using
combine(), find out the mean ofrating, the median ofcocoa, and the standard deviation ofREFusingstd.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Compute mean of rating, median of cocoa, and std of REF
____(____, ____ => ____, ____ => ____, ____ => ____)