How do I include categorical variables in my regression model?

One common problem researchers face when running a regression analysis is how to include categorical predictors. Unlike using continuous variables, which you can simply add with no previous manipulation, including categorical variables requires extra work when performing the analysis and interpreting the results.

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Analysis Of Variance

ANOVA (Analysis of Variance) is a parametric statistical test. The one-way ANOVA procedure is used when the dependent variable is measured either on an interval …

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