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时间:2020-04-29
《R语言生存分析大全.docx》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、CRANTaskView:SurvivalAnalysisMaintainer:ArthurAllignolandAurelienLatoucheContact:arthur.allignolatuni-ulm.deVersion:2016-01-27Survivalanalysis,alsocalledeventhistoryanalysisinsocialscience,orreliabilityanalysisinengineering,dealswithtimeuntiloccurrenceofaneventofinterest.However,thisfailuretimem
2、aynotbeobservedwithintherelevanttimeperiod,producingso-calledcensoredobservations.ThistaskviewaimsatpresentingtheusefulRpackagesfortheanalysisoftimetoeventdata.Pleaseletthe maintainers knowifsomethingisinaccurateormissing.StandardSurvivalAnalysisEstimationoftheSurvivalDistribution·Kaplan-Meier:
3、The survfit functionfromthe survival packagecomputestheKaplan-Meierestimatorfortruncatedand/orcensoreddata. rms (replacementoftheDesignpackage)proposesamodifiedversionofthe survfit function.The prodlim packageimplementsafastalgorithmandsomefeaturesnotincludedin survival.Variousconfidenceinterval
4、sandconfidencebandsfortheKaplan-Meierestimatorareimplementedinthe km.ci package. plot.Surv ofpackage eha plotstheKaplan-Meierestimator.The NADA packageincludesafunctiontocomputetheKaplan-Meierestimatorforleft-censoreddata. svykm in survey providesaweightedKaplan-Meierestimator. nested.km in Nest
5、edCohort estimatesthesurvivalcurveforeachlevelofcategoricalvariableswithmissingdata.The kaplan-meier functionin spatstat computestheKaplan-Meierestimatorfromhistogramdata.The MAMSE packagepermitstocomputeaweightedKaplan-Meierestimate.The KM functioninpackage rhosp plotsthesurvivalfunctionusingav
6、ariantoftheKaplan-Meierestimatorinahospitalisationriskcontext.The survPresmooth packagecomputespresmoothedestimatesofthemainquantitiesusedforright-censoreddata,i.e.,survival,hazardanddensityfunctions.The asbio packagepermitstocomputetheKaplan-MeierestimatorfollowingPollocketal.(1998).The bpcp pa
7、ckageprovidesseveralfunctionsforcomputingconfidenceintervalsofthesurvivaldistribution(e.g.,betaproductconfidenceprocedure).The lbiassurv packageoffersvariouslength-biascorrectionstosurvivalcurveestimation.Non-Parametricconfi
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