Exercise: Reshaping/Aggregations
Solve some problems related to reshaping/aggregations.
We'll cover the following...
Problem 1: Reshaping with dummies
Look at the following dataset:
Age 8 10 15 15 72 20 25 30 35 60 68 70 25 85 15Sex M M F F M M M M F F M F F M F
Create dummy ...