Machine Learning, Artificial Intelligence, Today I Learned.
http://www.pieceofshijiabian.com/wp-content/uploads/2014/01/Screen-Shot-2014-01-18-at-5.50.07-PM.png As you can see, the blue line captures the trend (that is, how the data points move across across the instance space) in this two dimensional, noisy example. The term “residuals”, primarily used in