Thursday, November 6, 2008

Forward selection for regression analysis

In this tutorial, we show how to use the FORWARD ENTRY REGRESSION component: it performs a multiple linear regression with a forward variable selection based on partial correlation.

We use CRIME_DATASET_FROM_DASL.XL from the DASL website. It contains various characteristics of 47 states of USA. We want to explain the criminality from unemployment, education level, …

Keywords: linear multiple regression, variable selection, forward selection, stepwise, colinearity, partial correlation
Components: View Dataset, Multiple linear regression
Tutorial: en_Tanagra_Forward_Selection_Regression.pdf
Dataset: crime_dataset_from_DASL.xls
Wikipedia - "Stepwise regression"