The coal and gas outburst is a complicated problem since plenty of the cases influence it.In order to enhance its predictable veracity,we propose a a reduction approach in rough set based on Niche Genetic Algorithm.At first the decision table is set up by using coal and gas outburst detection signal as the condition attribute set of the prediction,and coal and gas outburst quantity as decision attribute set of the prediction.At last,applying Niche Genetic Algorithm to solve Multimodal Function Optimizationt...
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