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.
Este exercício faz parte do curso
Data Manipulation in Julia
Instruções do exercício
- Using
combine(), find out the mean ofrating, the median ofcocoa, and the standard deviation ofREFusingstd.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Compute mean of rating, median of cocoa, and std of REF
____(____, ____ => ____, ____ => ____, ____ => ____)