Question
Download Solution PDFIn Regression Analysis, if a quantitative variable has 'm' categories, one can introduce
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- If a quantitative variable in regression analysis has "m" categories, one can add "m-1" dummy variables to the model. Dummy coding or indicator variable coding are terms used to describe this method.
- To represent categorical data in a regression model, utilize dummy coding. One category of the original variable is identified as the reference or baseline category, and one binary (dummy) variable is created for each of the other categories. Usually, the category with the lowest or most frequent value is the reference category.
Hence, In Regression Analysis, if a quantitative variable has 'm' categories, one can introduce Only m -1 dummy variables.
Last updated on Jul 4, 2025
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