Improved uncertain continuous attribute decision tree constructing method
A construction method and uncertainty technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve problems such as classification and prediction of uncertain continuous attributes, decision trees of uncertain continuous attributes, etc., to avoid transition fitting problem, the effect of high classification accuracy
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[0028] In order to solve the problem of classification and prediction of uncertain continuous attributes and improve the accuracy of its classification and prediction, the problem of class determination and the problem of transition fitting in decision trees, 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 of uncertain continuous attributes, 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 is uncertain.
[0030] Step 2: Put the uncertain continuous data attribute S i attribute value S ij Merge sort, according to class pair uncertain continuous data attribute S i Attribute value S ij operation, denoted as the probability su...
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