Dr. James McCaffrey of Microsoft Research explains how to train a network, compute its accuracy, use it to make predictions and save it for use by other programs. This is the second of two articles ...

Last month we examined the use of logistic regression for classification, in which the class of a data point is predicted given training data 1. This month, we look at how to evaluate classifier ...

Over the last month, Google has announced a number of advancements to how they will be measuring user experience through key speed and performance metrics. Coincidentally, I have been working on ...