So far, there are many algorithms have been given and we can gain a prediction model by analyzed known catalog information.
至今已经提出了决策树的很多算法，通过分析已知的分类信息得到一个预测模型。
2
However, by the result of the probability gain more than 1, it reflects that the annual earthquake tendency prediction at present has scientific meaning no doubt.
但是从概率增益均大于1这一结果来看，则又反映了目前的年度地震趋势预测无疑是有科学意义的。
3
In order to gain effectively dynamic load balancing, it is necessary to predict host load accurately, and this is different from network flow prediction.