The Essential Machine Learning Cheat Sheet
http://refcardz.dzone.com/refcardz/machine-learning-predictive

This Refcard covers machine learning for predictive analytics, a powerful instrument in the developer’s big data toolbox. The card explains how to setup training and testing data, and offers snippets implementing multiple machine learning models, including: linear regression, logistic regression, neural network, Bayesian network, tree ensembles, and more. This will be added Artificial Intelligence Resources Subject Tracer™.