说明：  训练集：trainset(); 分别取bedroom(1:5,:)和forse(1:5,:)作为训练集； 测试集：testset(); 分别取bedroom(6:10,:)和forse(6:10,:)作为测试集； 标签集：label(); 取bedroom的数据为正类标签为1；forse的数据为负类标签为-1.
(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.)