Method and system for classifying data by adopting decision tree
A data classification and decision tree technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as difficulties, inability to handle massive data, uncontrollable iterative process, etc., and achieve the effect of controllable times
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[0040] In order to make the purpose, technical solution and advantages of the present invention clearer, a data classification method and system using a decision tree of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0041] A kind of data classification method and system adopting decision tree of the present invention, through training data, construct decision tree based on MapReduce mechanism, the intermediate node of tree is split decision attribute, and the leaf node of tree all has category mark, so from root node To the leaf node constitutes a discriminant rule. After the classification decision tree is constructed, the test samples can be classified.
[0042] The parallel classification decision tree algorithm adopted in the present invent...
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