Bharat Singh, Nidhi Kushwaha, Om Prakash Vyas

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Department of Information Technology, Indian Institute of Information Technology, Allahabad, India.
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Abstract: With the abundance of exceptionally High Dimensional data, feature selection has become an essential element in the Data Mining process. In this paper, we investigate the problem of efficient feature selection for classification on High Dimensional datasets. We present a novel filter based approach for feature selection that sorts out the features based on a score and then we measure the performance of four different Data Mining classification algorithms on the resulting data. In the proposed approach, we partition the sorted feature and search the important feature in forward manner as well as in reversed manner, while starting from first and last feature simultaneously in the sorted list. The proposed approach is highly scalable and effective as it parallelizes over both attribute and tuples simultaneously allowing us to evaluate many of potential features for High Dimensional datasets. The newly proposed framework for feature selection is experimentally shown to be very valuable with real and synthetic High Dimensional datasets which improve the precision of selected features. We have also tested it to measure classification accuracy against various feature selection process.

Keywords: High Dimensional Datasets, Feature Selection, Classification, Predominant Feature

Cite this paper: Singh, B. , Kushwaha, N. and Vyas, O. (2014) A Feature Subset Selection Technique for High Dimensional Data Using Symmetric Uncertainty. Journal of Data Analysis and Information Processing, 2, 95-105. doi: 10.4236/jdaip.2014.24012.

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