Chocolate location vs. rating
Are chocolates from certain countries better than those from others? And what about different companies? You can use grouped summary statistics to find out!
The chocolates dataset and the DataFrames and Statistics packages have been loaded for you.
This exercise is part of the course
Data Manipulation in Julia
Exercise instructions
- Group the
chocolatesDataFrame bycompany_locationandcompany, saving the result aschoc_groups. - Compute the
minimum,median, andmaximumofratingfor each group, renaming the columns asmin_rating,med_rating, andmax_rating; save the result aschoc_groups_stats. - Sort
choc_groups_statsby themed_ratingcolumn in reverse order.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Create choc_groups
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# Calculate minimum, median, maximum of rating, rename the new columns and save the result
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# Sort choc_groups_stats by med_rating in reverse
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