Re: [R] Creating new instances from original ones

Thanks for the answer, but I think this is not suitable for me, because as it appears in the example of "SMOTE" function, this methods is applicable having only two classes ( common/rare, yes/no, disease/no disease). However, in my data, I have four classes. If I am wrong, please, tell me. Thanks,

Re: [R] Creating new instances from original ones

see function SMOTE in package DMwR hth Matthias On 31.03.2013 10:46, Nicolás Sánchez wrote: I have a question about data mining. I have a dataset of 70 instances with 14 features that belong to 4 classes. As the number of each class is not enough to obtain a good accuracy using some classifiers(

[R] Creating new instances from original ones

I have a question about data mining. I have a dataset of 70 instances with 14 features that belong to 4 classes. As the number of each class is not enough to obtain a good accuracy using some classifiers( svm, rna, knn) I need to "oversampling" the number of instances of each class. I have heard t