+An **indicator variable** is a binary variable, typically assigned 0 or 1, that signifies the presence or absence of a particular attribute or condition. It transforms [Categorical Data](/wiki/categorical_data) into a numerical form, essential for [Regression Analysis](/wiki/regression_analysis) and statistical modeling.
+## See also
+- [Dummy Variable](/wiki/dummy_variable)
+- [Statistical Model](/wiki/statistical_model)
+- [Data Encoding](/wiki/data_encoding)
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