Marketing Analytics - An Introduction to Model Training and Validation
Channel: Dr. Baker SDSU Marketing
Date: 2020-04-10

This video illustrates some basic concepts about prediction model training and model validation.

The idea of over-fitting and under-fitting a prediction model is explained and illustrated.

The scenario uses real world data.  We are trying to predict U.S. consumer's beliefs about whether or not GMO foods are healthy/less healthy than non-GMO foods.

We use RapidMiner to illustrate the application of this principle, although the basic concepts apply regardless of the software you might use yourself.

You can download the Excel files and the RapidMiner process files in this tutorial here:
https://sites.google.com/view/drbakersdsu/excel-sheets