# Category:Dummy Variables

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This category contains results about **Dummy Variables**.

Definitions specific to this category can be found in Definitions/Dummy Variables.

A **dummy variable** is a quantity written in a mathematical expression in the form of a variable, even though it does in fact represent a constant.

It is usual for a **dummy variable** to take on the value either $0$ or $1$.

## Subcategories

This category has only the following subcategory.

### E

- Examples of Dummy Variables (2 P)