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The term imbalance refers to uneven distribution of data into classes that severely affects the performance of traditional classifiers, that is, classifiers become biased toward the class having larger amount of data. The data generated from wireless sensor networks will have several imbalances. This review article is a decent analysis of imbalance issue for wireless sensor networks and other application domains, which will help the community to understand WHAT, WHY, and WHEN of imbalance in data and its remedies. <\/jats:p>","DOI":"10.1177\/1550147720916404","type":"journal-article","created":{"date-parts":[[2020,4,14]],"date-time":"2020-04-14T12:25:54Z","timestamp":1586867154000},"page":"155014772091640","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":126,"title":["A review on classification of imbalanced data for wireless sensor networks"],"prefix":"10.1177","volume":"16","author":[{"given":"Harshita","family":"Patel","sequence":"first","affiliation":[{"name":"School of Information Technology & Engineering, Vellore Institute of Technology, Vellore, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dharmendra","family":"Singh Rajput","sequence":"additional","affiliation":[{"name":"School of Information Technology & Engineering, Vellore Institute of Technology, Vellore, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0097-801X","authenticated-orcid":false,"given":"G","family":"Thippa Reddy","sequence":"additional","affiliation":[{"name":"School of Information Technology & Engineering, Vellore Institute of Technology, Vellore, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4350-3911","authenticated-orcid":false,"given":"Celestine","family":"Iwendi","sequence":"additional","affiliation":[{"name":"Department of Electronics, BCC of Central South University of Forestry and Technology, Changsha, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2601-9327","authenticated-orcid":false,"given":"Ali","family":"Kashif Bashir","sequence":"additional","affiliation":[{"name":"Department of Computing and Mathematics, Manchester Metropolitan University, Manchester, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8444-2786","authenticated-orcid":false,"given":"Ohyun","family":"Jo","sequence":"additional","affiliation":[{"name":"Department of Computer Science, Chungbuk National University, Cheongju-si, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,4,14]]},"reference":[{"key":"bibr1-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1142\/S0219622006002258"},{"key":"bibr2-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2008.239"},{"key":"bibr3-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1504\/IJCSM.2016.076393"},{"key":"bibr4-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1504\/IJDATS.2019.098818"},{"key":"bibr5-1550147720916404","volume-title":"Data mining: concepts and techniques","author":"Han J","year":"2011"},{"key":"bibr6-1550147720916404","doi-asserted-by":"publisher","DOI":"10.3923\/ijscomp.2011.136.142"},{"key":"bibr7-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1007\/s13748-016-0094-0"},{"key":"bibr8-1550147720916404","first-page":"345","volume-title":"5th international conference on practical applications of computational biology & bioinformatics (PACBB 2011)","author":"Pav\u00f3n R"},{"key":"bibr9-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1145\/1147234.1147236"},{"key":"bibr10-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1023\/A:1007452223027"},{"key":"bibr11-1550147720916404","first-page":"164","volume-title":"Proceedings of the fourth international conference on knowledge discovery and data mining","author":"Chan PK"},{"key":"bibr12-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1007\/s11390-009-9290-8"},{"key":"bibr13-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1109\/TCSS.2014.2377811"},{"key":"bibr14-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1007\/s12559-015-9319-y"},{"key":"bibr15-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-018-7093-z"},{"key":"bibr16-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1504\/IJMSO.2018.096451"},{"key":"bibr17-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2105-16-S7-S6"},{"key":"bibr18-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-012-1071-7"},{"key":"bibr19-1550147720916404","doi-asserted-by":"publisher","DOI":"10.1016\/j.asoc.2015.08.060"},{"key":"bibr20-1550147720916404","first-page":"3030","volume-title":"2003 IEEE 58th vehicular technology conference: VTC 2003-fall (IEEE Cat. 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