Home About Us Contact Blog
What's New Products Buy Now Downloads Forum  

GeneXproTools Online Guide

Learn how to use the 5 modeling platforms
of GeneXproTools with the Online Guide

Last update: February 19, 2014


Relative Absolute Error

The relative absolute error (RAE) is very similar to the relative squared error in the sense that it is also relative to a simple predictor, which is just the average of the actual values. In this case, though, the error is just the total absolute error instead of the total squared error. Thus, the relative absolute error takes the total absolute error and normalizes it by dividing by the total absolute error of the simple predictor.

Mathematically, the relative absolute error Ei of an individual model i is evaluated by the equation:

where P(ij) is the value predicted by the individual model i for record j (out of n records); Tj is the target value for record j; andis given by the formula:

For a perfect fit, the numerator is equal to 0 and Ei = 0. So, the Ei index ranges from 0 to infinity, with 0 corresponding to the ideal.

See Also:

Related Tutorials:

Related Videos:

Leave Feedback
  Please enter the number below using the combo boxes before sending your feedback.
 3 8 4


 Time Limited Trial

 Try GeneXproTools for free for 30 days!

 Released February 19, 2014

 Last update: 5.0.3883

New Entries  

Add-ons − GeneXproServer  

   Subscribe to the GEP-List

3 8 4
Home | What's New | Products | Buy Now | Downloads | Quick Tour | Support | Contact Us | About Gepsoft | Sign Up
Forum | Blog | Videos | Tutorials | Server Knowledge Base | Logistic Regression Guide | Terms of Use | Privacy & Cookies

Copyright (c) 2000-2021 Gepsoft Ltd. All rights reserved.