# Regression Model Basics: Regression Model Estimates Independent Variable Based on Independent Variables (Especially for GATE-Geospatial 2022)

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The Regression Models relate dependent variable to several independent variables in an equation, which can then be used for used for prediction or estimation.

The output of a regression model is an equation, which can be used for prediction or estimation. Like an index model, a regression model can use map overlay operations to combine all the independent variables needed for the analysis.

A regression model can use overlay operations in a GIS to combine variables needed for the analysis.

## Types of Regression Models

There are three types of regression models:

- Linear Regression
- Local Regression
- Logistic Regression