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A binarization strategy for modelling mixed data in multigroup classification

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Masmoudi, Youssef
Chabchoub, Habib

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This paper presents a binarization pre-processing strategy for mixed datasets. We propose that the use of binary attributes for representing nominal and integer data is beneficial for classification accuracy. We also describe a procedure to convert integer and nominal data into binary attributes. Expectation-Maximization (EM) clustering algorithms was applied to classify the values of the attributes with a wide range to use a small number of binary attributes. Once the data set is pre-processed, we use the Support Vector Machine (LibSVM) for classification. The proposed method was tested on datasets from the literature. We demonstrate the improved accuracy and efficiency of presented binarization strategy for modelling mixed and complex data in comparison to the classification of the original dataset, nominal dataset and binary dataset.

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Institute of Electrical and Electronics Engineers (IEEE)

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Electrical electronics engineering, Operations research, Management science, Transportation, Technology

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2013 International Conference on Advanced Logistics and Transport, ICALT 2013

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10.1109/ICAdLT.2013.6568483

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