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.
Questo esercizio fa parte del corso
Data Manipulation in Julia
Istruzioni dell'esercizio
- Using
combine(), find out the mean ofrating, the median ofcocoa, and the standard deviation ofREFusingstd.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Compute mean of rating, median of cocoa, and std of REF
____(____, ____ => ____, ____ => ____, ____ => ____)