--- title: "Categorical affects Numeric" slug: "categorical-affects-numeric" updated: 2022-06-28T18:32:36Z published: 2022-06-28T18:32:36Z canonical: "userguide.dataclassroom.com/categorical-affects-numeric" --- > ## Documentation Index > Fetch the complete documentation index at: https://userguide.dataclassroom.com/llms.txt > Use this file to discover all available pages before exploring further. # Categorical affects Numeric A categorical variable can affect a numeric variable by changing one of its properties - the **mean value** - depending on the value taken by the categorical variable. The controls look like this: ![](https://cdn.document360.io/62f8f41e-e041-42c4-b9bc-8ae1eb45d064/Images/Documentation/image-1656095345261.png) Here, you can see that if the Light variable has the value **Bright**, then the **Height** mean value will have 700 added to it. If the value is **Dark**, then no change will be applied and **Height** will have it's usual mean value of 5000.