One step self-correlation coefficient has little influence on predicting accuracy.
一步相关系数对预测精度的影响不大。
In Markov predicting methods, the state classing has influence on predicting accuracy.
马尔可夫链的点值预测方法中，指标值的分级对预测精度有显著影响。
In Markov predicting methods, weight of previous time value have some influence on predicting accuracy.
马尔可夫链的点值预测方法中前期预测中值的权重对预测精度有一定影响。
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