Combined characteristics of agricultural data, an attribute reduction algorithm was put forward based on the rough set theory in prediction of crop disasters,this algorithm was then applied to agricultural production. The experimental results showed that the algorithm is verified to be more feasible and effective,and find some meaningful in prediction of crop disasters knowledge.%结合农业数据的特点,提出了一种基于数据挖掘技术的粗集属性约简算法,并将其应用在农作物灾害预测中.通过具体实例证明了该算法的正确性和有效性,指出该算法在农作物灾害预测中具有一定的实用价值.
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