Vinodhini G

6 Questions 14 Answers 0 Followers

Questions related from Vinodhini G

Comparing a proposed classification methods to other existing methods?

Currently working on sentiment classification of music reviews collected from a review website in real time. Is it feasible to conclude that the proposed classification method performs better (in...

08 August 2016 2,691 6 View

How to plot an ellipsis of a original data set to show the missing ones after bootstrap sampling?

Does any data mining tools support obtaining the individual bootstrap samples of each iteration before applying bagging? How to plot an ellipsis of the actual data set to show the samples not...

02 February 2016 7,221 1 View

Is bagging classification method sensitive to bootstrap samples used?

As,the voting method in Bagging ( ensemble based )classification relies on the subsets obtained by a bootstrap method. Is bagging method sensitive to the different bootstrap strategies used. If...

02 February 2016 8,084 2 View

How can I set the value of K In K-fold cross validation?

In classification approaches,how to select the value of K for K-fold cross validation?..Found that arbitrary value of K is 10 in almost all literature. In some cases k=5.. Why to choose 10 &...

03 March 2015 3,420 3 View

Any advice on the hybrid combination of PCA + SVM for binary classification?

Working with health care application. First applied PCA to reduce feature set then applied SVM (Non linear) to classify. got better results than using SVM alone. But my doubt is. Initially I am...

02 February 2015 2,076 6 View

Is it possible to calculate area under ROC curve from confusion matrix values?

I'm making use of AUC values got from weka tool as result.....found that tool is using trapezoidal approximation method... but not yet very clear.....

10 October 2014 2,349 21 View