Rock burst danger level prediction method based on local weighting C4.5 algorithm
A technology of rock burst and danger level, applied in the field of high-level prediction, can solve the problems of increasing the difficulty of rock burst prediction, not considering the problem of model over-fitting, and difficult to meet the independence requirements, so as to improve the accuracy and avoid over-fitting. The effect of fitting the problem
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[0043] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0044] In this embodiment, Yanshitai Coal Mine in a certain area is taken as an example, and the rock burst risk level prediction method based on the local weighted C4.5 algorithm of the present invention is used to predict the rock burst risk level of the Yanshitai Coal Mine.
[0045] The prediction method of rock burst hazard level based on the local weighted C4.5 algorithm, such as figure 1 shown, including the following steps:
[0046] Step 1. Collect known types of rockburst data as sample data. Suppose the collected sample data set is T, the sample category set is C, k' is the total number of sample categories, and the number of samples is N.
[0047] Since there a...
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