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IMPROVING CLASSIFICATION PERFORMANCE OF NEURO-FUZZY CLASSIFIER BY IMPUTING MISSING DATA

Balasaheb Tarle, Muddana Akkalaksmi

Abstract


In medical data classification, if the size of data sets is small and if it contains multiple missing attribute values, in such cases improving classification performance is an important issue. The foremost objective of machine learning research is to improve the classification performance of the classifiers. The number of training instances provided for training must be sufficient in size. In the proposed algorithm, we substitute missing attribute values with attribute available domain values and generate additional training tuples that are in addition to original training tuples. These additional, plus original training samples provide sufficient data samples for learning. The neuro-fuzzy classifier trained on this dataset. The classification performance on test data for the neuro-fuzzy classifier is obtained using the k-fold cross-validation method. The proposed method attains around 2.8% and 3.61% improvement in classification accuracy for this classifier.

Keywords


Classifier; Imputation; Neuro-fuzzy Classifier; Training tuples; Missing data.

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