Decision tree classifier construction method of uncertain discrete data
A decision tree classification, discrete data technology, applied in instruments, character and pattern recognition, computer parts and other directions, can solve uncertain data classification, uncertainty and other problems, to achieve the effect of high classification accuracy
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[0028] In order to solve the problem of uncertain data classification and improve the accuracy of its classification, combined with figure 1 The present invention has been described in detail, and its specific implementation steps are as follows:
[0029] Step 1. Suppose there are X samples in the training set, and the number of attributes is n, that is, n=(S 1 , S 2 ,…S n ), while splitting the attribute S i Corresponds to m classes L, where L r ∈(L 1 , L 2 ...,L m ), i ∈ (1, 2..., n), r ∈ (1, 2..., m). S i ∈(S 1 , S 2 ,…S n ), where the attribute value contains uncertainty.
[0030] Step 2: Put the uncertainty data attribute S i attribute value S ij Merge sort, according to the class pair uncertainty data attribute S i Attribute value S ij operation, denoted as the probability sum P(S ij ), the probability potential P(S ij , L r ). Its specific operation process is as follows:
[0031] Uncertain data attribute S i , its value P(S ij ) is a probability ...
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