Question: Suppose I have a model that predicts customer interest based on a customer's age [a number]. the amount of advertising {a number} to which they

Suppose I have a model that predicts customer interest based on a customer's age [a number]. the amount of advertising {a number} to which they haye been exposed. and in which of four geographical regions they reside. This last piece of information is a category. Please describe how we can incorporate this category into a multiple linear regression using "dummy variables". Customer ID Age Adyertisement Region 001 4C! 22 002 35 5 oos 5 I5 13 oo4 21 [1 (I35 34 2 (I36 40 13 (I)? 1 B 44
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