Application of a Improved C4.5 Algorithm in Performance Analysis

Wu Shi Gao; Wei Fang  Tang; Xin Gang Wang

doi:10.4028/www.scientific.net/AMM.380-384.1681

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Application of a Improved C4.5 Algorithm in...

Application of a Improved C4.5 Algorithm in Performance Analysis

Abstract:

The application of data mining technology in education, finding the hidden, useful information from a large number of data, will contribute to the reform and development of education. This article presents an improved C4.5 algorithm, which only use simple add, subtract, multiply and divide operations instead of the logarithm of original C4.5 algorithm. This algorithm greatly improves the operation speed and the decision tree generation efficiency, and its application to the analysis of students' achievement, implied to identify the factors affecting the performance, promotes the improvement of teaching quality.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

1681-1684

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.1681

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Online since:

August 2013

Authors:

Wu Shi Gao, Wei Fang Tang, Xin Gang Wang

Keywords:

C4.5 Algorithm, Decision Tree, Improvement, Performance Analysis

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