+A dummy variable transforms [Categorical Data](/wiki/Categorical_Data) into a numerical form, typically 0 or 1. It signifies the presence or absence of a specific attribute, making non-numeric information usable in [Regression](/wiki/Regression) and other statistical models.
+## See also
+- [Data Analysis](/wiki/Data_Analysis)
+- [Statistical Model](/wiki/Statistical_Model)
+- [Feature Engineering](/wiki/Feature_Engineering)
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