Search results with tag "Categorical variables categorical variables"

Chapter 305 Multiple Regression - NCSS

Representing Categorical Variables Categorical variables take on only a few unique values. For example, suppose a therapy variable has three possible values: A, B, and C. One question is how to include this variable in the regression model. At first glance, we can convert the letters to numbers by recoding A to 1, B to 2, and C to 3.

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