Preprocessing and Feature Selection on Group Structure Analysis using Entropy and Thresholding
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Abstract
Many real data increase dynamically in size. We have been observing in many fields that data grow with time in size. This has led to the development of several new analytic techniques. This phenomenon occurs in several fields including economics, population studies, and medical research. As an effective and efficient mechanism to deal with such data, incremental technique has been proposed in the literature and attracted much attention, which stimulates the result in this paper. When a group of objects are added to a decision table, we first introduce incremental mechanisms for three representative information entropies and then develop a group incremental rough feature selection algorithm based on information entropy.When multiple objects are added to a decision table, the algorithm aims to find the new feature subset in a much shorter time. Experiments have been carried out on eight UCI data sets and the experimental results show that the algorithm is effective and efficient.
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How to Cite
, M. P. D. P. J. A. (2017). Preprocessing and Feature Selection on Group Structure Analysis using Entropy and Thresholding. International Journal on Recent and Innovation Trends in Computing and Communication, 5(6), 1241–. https://doi.org/10.17762/ijritcc.v5i6.935
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