LogRegHelper - "A scorecard for Logistic Regression models" does not match Logistic Re

Hello,

This question is regarding the LogRegHelper - "A scorecard for Logistic Regression models" example in sqlserverdatamining Tips and Tricks page. I launched TestLogReg (Analysis Services Database associated with the project) and ran Logistic Regression over that. While the LogReg shows the highest score for IQ (107 - 121), a score of 558, the Logistic Regression shows that Parent Encouragement has the highest score for the case College Plans = 'Plans to Attend'. Can someone verify this and clarify?

I have a few other questions with LR

- In SQL Server 2005 LR Mining Model Viewer "favors" chart, what algorithm is used for generating Scores?

- Can I use this score as a feature selector? Higher score => stronger predictor (input)

- Is the coefficient weight algorithm used in LogReg wrong ?

Thanks

MA

Hi

I guess most of the questions were addressed in this post http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1774831&SiteID=1

I will check the LogregHelper stored proc and come back with an answer shortly. However, the most probable cause is that the two attributes (Parent Encouragement and IQ) have relatively close scores / coefficients.

sql