Weka is a popular machine learning toolkit in Java: http://www.cs.waikato.ac.nz/ml/weka/ http://www.cs.waikato.ac.nz/ml/weka/ and they have a textbook to go wi

Weka is a popular machine learning toolkit in Java: http://www.cs.waikato.ac.nz/ml/weka/ http://www.cs.waikato.ac.nz/ml/weka/ and they have a textbook to go with it: http://www.cs.waikato.ac.nz/ml/weka/book.html http://www.cs.waikato.ac.nz/ml/weka/book.html as well as an online course: https://weka.waikato.ac.nz/dataminingwithweka/preview https://weka.waikato.ac.nz/dataminingwithweka/preview