Cancer Gene Extraction Based on Stepwise Regression

(整期优先)网络出版时间:2016-01-11
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Withtheexpansionofthegeneexpressionprofiledatabase,inthecaseofaslittleaspossibletoloseinformationortoretainthemostcriticalinformation,geneextractionhasbecomeamaindirectionforthescholars.Thispaperexcludes1561irrelevantgenesthroughthedefinitionofweighteddistancefirstly,andthenremoves252redundantgenesbyPearson'scorrelationcoefficient.Finallybycomparingthetwomethods,stepwiseregressionafterclusteringandonlystepwiseanalysis,weobtainthebestcombinationof8genes.