CnhnhS khung hnhRecall(%)Precision(%)

123093.792.4

220291.688.9

313695.190.5

417789.686.7

516691.288.3

Thng th vic thng k sai ch yu vo vic phn cm khng ht gia d liu ca mt bn v mt tng. V trong th nghim c 5 cnh th c 3 cnh l bn t gn vi tng.Recall(%) l t l gia s mu thng k ng/ tng s muPrecision (%) l t l gia s mu thng k ng/ tng s mu c xt thng k (s mu thng k ng, s mu mang ra thng k nhng nhm t cc mu khc sang nh mt phn d liu ca bn hoc tay gh c thng k thnh mt i tng trn bn)Hnh th hin kt qu thng k trong 1 cnh: