The online education company Statistics.com segments its customers and prospects into three main categories: IT professi

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The online education company Statistics.com segments its
customers and prospects into three main categories: IT
professionals (IT), statisticians (Stat), and other (Other). It
also tracks, for each customer, the number of years since first
contact (years). Consider the following customers; information
about whether they have taken a course or not (the outcome to be
predicted) is included:
Customer 1: Stat, 1 year, did not take
course
Customer 2: Other, 1.1 year, took course
Using the above information on the two
customers and one prospect, create one dataset for all three with
the categorical predictor variable transformed into 2 binaries, and
a similar dataset with the categorical predictor variable
transformed into 3 binaries.