（1）分类精度高；（2）成的模式简单；（3）对噪声数据有很好的健壮性。因而是目前应用最为广泛的归纳推理算法之一，在数据挖掘中受到研究者的广泛关注-(1) the classification accuracy is high　(2) model is simple　(3) has good robustness to noise data. It is currently one of the most widely used inductive reasoning algorithm, received extensive attention of the researchers in data mining