Subscribe to DSC Newsletter

June 2011 Blog Posts (21)

low accuracy in out of time dataset

 

Hi guys..I am working on a logistic model. When I did out of sample validation, my percentage detection of the defaulters was 80%. The next I tried is out of time validation. To my dismay the accuracy(percent detection) came down to 33% this time. I am wondering and disappointed by what could have happened. I have profiled both the population and found differences in the distribution of few categorical variables.

 

Please pour in your ideas as to what can be done to…

Continue

Added by Ayush Biyani on June 1, 2011 at 6:44am — 7 Comments

Blog Topics by Tags

Monthly Archives

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

On Data Science Central

© 2020   AnalyticBridge.com is a subsidiary and dedicated channel of Data Science Central LLC   Powered by

Badges  |  Report an Issue  |  Privacy Policy  |  Terms of Service