Niluka Piyasinghe

2 Questions 6 Answers 0 Followers

Questions related from Niluka Piyasinghe

How get changing data set of true positive rate and false positive rate to draw ROC curves?

I am hoping to evaluate performance of supervised classification methods by using ROC curves.so classifiers will be tested using common testing data set.How can i get range of true positive...

04 April 2016 6,714 6 View

Best preprocessing methods for imbalanced data in classification algorithms?

I am currently dealing with a large data set and most classes of it have an imbalanced data distribution.SVM and KNN algorithms going to be used for classification.I need to know what are the...

03 March 2016 6,658 13 View