Machine Learning for Humans, Part 2.2: Supervised Learning II

Is this email spam or not? Is that borrower going to repay their loan? Who is that person in your Facebook picture? Classification predicts a discrete target label Y. Classification is the problem of assigning new observations to the class to which they most likely belong, based on a classification model built from labeled training data. The accuracy of your classifications will depend on the effectiveness of the algorithm you choose, how you apply it, and how much useful training data you have.