ROC is used to judging the performance of classifiers
identifying the data types and level of measurement is important in data science
A very very brief introduction to neural network for physicists
Boltzmann machine is much like a spin glass model in physics. In short words, Boltzmann machine is a machine that has nodes that can take values, and the nodes are connected through some weight. It is just like any other neual nets but with complications and theoretical implications.