It is important to understand both what a classification metric expresses and what it hides. Last month we examined the use of logistic regression for classification, in which the class of a data ...

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 ...

Model evaluation for biological data is rarely as simple as checking whether a classifier is right most of the time. Rare variants, rare cell types, and rare positive screening hits mean that most ...