Isn't anomaly detection just classification? Well, not exactly. It depends.
Danna walks through an anomaly detection example with the Nexosis Interactive Dashboard.
In a previous post, Danna explained confusion matrices. Now she discusses common classification scoring metrics.
Danna explains the definition and purpose of a confusion matrix in classification.
Sometimes you have to write code to transform text, but there are crafty techniques and tools out there that makes it easy.