SMOTE and adaptive synthetic sampling algorithms in SAS

Started Mar 16, 2016 0 Replies 0 Likes

Hi,I am developing a predictive model for a data-set that is very imbalanced. the ratio between goods and bads is 47500:1. I am exploring SMOTE sampling and adaptive synthetic sampling techniques…Continue

SMOTE sampling in SAS

Started Mar 16, 2016 0 Replies 0 Likes

Hi,I am working on building a supervised model to predict an imbalanced dependent variable.Is there anyone who has the SMOTE sampling algorithm in SAS? or the Adaptive synthetic sampling algorithm in…Continue

Question about R error: 'all arguments must have the same length'

Started this discussion. Last reply by Jigyasa Bisariya May 13, 2016. 2 Replies 0 Likes

Hi Everyone,i am using R to fit svms using the e1071 package. Everything seems fine when i train the model, and even when validating with a different data-set. the training data-set has 1500 records…Continue

Tags: the, same, length, have, must

Handling Imbalanced data when building regression models

Started this discussion. Last reply by Dean Abbott Jul 28, 2016. 14 Replies 0 Likes

Dear colleaques and friends,i would like to know how you go about handling a dataset with imbalanced groups being modelled using a classification model eg logistics regression. As an example, fitting…Continue