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The authors should justify why they have considered 70% and 30% split between training and test sets. This can be emperically justified via cross validation. The authors should at least use  5-fold cross validation strategy for providing their results, which is very important when providing the classification performance. The mean and standard deviation of the validation results must be reported. Error bars or confidence intervals for the classification accuracy should be shown. This can be achieved used cross validation and statistical boot strapping.ÕâÊDZ༭µÄÉó¸åÒâ¼û£¬Ìᵽ˵ÈÃÎÒÖ¤Ã÷ΪʲôҪ°Ñ²âÊÔ¼¯ÑµÁ·¼¯ÈýÆß·Ö£¬Õâ¸ö²»Ó¦¸ÃÊÇͨ¹ý¿´Ñ§Ï°ÇúÏßÀ´Ñ¡ÔñÂð£¬ÎªÊ²Ã´ÒªÓÃkÕÛ½»²æÑéÖ¤£¬Ëûµ½µ×±í´ïʲô£¬²»ÊǺÜÃ÷°×

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