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运用SAS软件的非线性回归,并结合马尔可夫链方法建立了因洪涝灾害造成的我国农田受灾及成灾面积的2个预测模型,结果表明本文所作的预测效果较好,为我国的灾害预测提供了一种方便实用的方法.
By using the non-linear regression of SAS software and combining Markov chain method, two prediction models of farmland disaster and disaster area caused by floods in China are established. The results show that the forecasting effect of this paper is good, Provides a convenient and practical method.