Application research of decision tree algorithm in english grade analysis.

Author(s): Zhao Kun

This paper introduces and analyses the data mining in the management of students' grades. We use the decision tree in analysis of grades and investigate attribute selection measure including data cleaning. We take course score of institute of English language for example and produce decision tree using ID3 algorithm which gives the detailed calculation process. Because the original algorithm lacks termination condition, we propose an improved algorithm which can help us to find the latency factor which impacts the grades.

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