Introduction - If you have any usage issues, please Google them yourself
Training set: trainset (); take bedroom (1:5,) and forse (1:5,:) as the training set;
Test set: testset (); take bedroom (6:10,:) and forse (6:10,:) as the test set;
The tag set: label (); the data from the bedroom is 1 of the positive class label; the data of the forse is a negative class label of -1.