KNN classifiers,

training is training set, testing is test set,

D is the distance, D=1 is mandistance D=2 is 欧氏距离 D=3是 infinite norm

K is the number of selected neighbors- KNN classifiers,

training is training set, testing is test set,

D is the　distance, D=1 is mandistance　D=2 is 欧氏距离 D=3是 infinite norm

　K is the number of selected neighbors