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It has traditionally been applied in a wide range of problems that include biological data processing, pattern recognition, and computer vision. The aim of this paper is to identify the best feature subsets from the benchmark datasets which improve the performance of the classifiers. Existing filter-based feature selection approaches fail to choose the relevant features from the original feature sets. To obtain the tiny subset of relevant features, we have introduced a novel filter-based feature selection method, called ReCFS. The proposed method is a combination of both feature-feature correlation and nearest neighbor weighted features to find an optimal subset of features to minimize correlation among features. The effectiveness of the selected feature subset by proposed method is evaluated by using two classifiers such as Na\u00efve Bayes and K-Nearest Neighbour on real-life datasets. For the diverse performance measurements, the experiments are conducted on eight real-life datasets of varied dimensionality and number of instances. The result demonstrates that the proposed method has found promising feature subsets which improved the classification accuracy over competing feature selection methods<\/jats:p>","DOI":"10.3233\/jifs-179743","type":"journal-article","created":{"date-parts":[[2020,4,21]],"date-time":"2020-04-21T14:14:29Z","timestamp":1587478469000},"page":"6637-6648","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Knowledge discovery in medical and biological datasets by integration of Relief-F and correlation feature selection techniques"],"prefix":"10.1177","volume":"38","author":[{"given":"Alok Kumar","family":"Shukla","sequence":"first","affiliation":[{"name":"Department of CSE, G.L. 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