ɾlogloss ɾmulti-class logloss ճؼ ೋ ྨ ଞΫ ϥε ྨ ɾRMSE ɾRMSLE ɾMAE ɾR2(ܾఆ) ɾaccuracy ɾerror rate ɾF1-score, Fβ-score ɾlogloss ɾAUC ɾmulti-class accuracy ɾmean-F1, macro-F1, micro-F1 ɾquadratic weighted kappa(QWK) ɾmulti-class logloss తؔ ධՁࢦඪ p.62~83