05-19-2017 01:07 AM
I am building GB in SAS eminer with event rate of 3.7% ,after tunning for many iteration model miscllasification rate remain constant no change in the rate,any options/ method to tune and reduce the rate.
05-19-2017 12:42 PM
You can try using a smaller value for the Leaf Fraction property to possibly improve your model. And if you have more than 20K observations in your training data, you can also try increasing the Node Sample property.