Random forest-based tunnel operation state sensing model building method
A technology of random forest and operational status, applied in computer parts, character and pattern recognition, instruments, etc., to achieve automatic recognition and improve the level of research and judgment
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[0034] In order to make the objectives, technical solutions, and advantages of the present invention clearer and clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0035] Each decision tree in the random forest is a binary tree, and its generation follows the top-down recursive split principle, that is, the training set is divided sequentially from the root node. In a binary tree, the root node contains all the training set data. According to the principle of minimum node impurity, it is split into a left node and a right node, each containing a subset of the training data. The node continues to split according to the same rule until the branch stop rule is satisfied. Stop growing.
[0036] See figure 2 , A method for establishing a tunnel op...
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