How to prepare your data for text classification?
http://www.svm-tutorial.com/text-classification-prepare-data/
SVM Tutorial: How to classify text in R
http://www.svm-tutorial.com/2014/11/svm-classify-text-r/
http://www.svm-tutorial.com/text-classification-prepare-data/
SVM Tutorial: How to classify text in R
http://www.svm-tutorial.com/2014/11/svm-classify-text-r/