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A package for survival analysis in R

ApackageforsurvivalanalysisinRTerryThern eauJanuary9,2023 Contents1 Intro e,oneeventp ersub e,oneeventp ersub esandmultipleeventsp ersub o eganin1985inconnectionwiththeanalysisofm edicalresearchdata,withoutanyrealization atthetimethattheworkwouldb ,thesoftwarewasplacedontheStatlibrep 'thavealistofthedates version2wasthe rsttomakeuseoftheprintmetho dthatwasintro ducedin`NewS'in1988, orateddirectlyinS-Plus,andfromthereitb ectthatoneoftheprimaryreasonsforthepacka ge'ssuccessisthatallofthefunctionshaveb eenwrittentosolverealanalysisquestionsth atarosefromrealdatasets; jormedicalcenter,thecentralfo cusofmydepartmentistoadvancemedicine;sta tisticsisato ,therearemanyotherRpackagesthatbuildonor extendthesurvivalpackage,andanyoneworkin ginthe eld(theauthorincluded)canexp ecomeasp jorgoals. Makemulti-statecurvesandmo delsaseasytouseasanordinaryKaplan-Meiera ndCoxmo del.

Data set creation survSplit break a survival data set into disjoint portions of time tmerge create survival data sets with time-dependent covariates and/or multiple events survcheck sanity checks for survival data sets 1.4 Mathematical Notation We start with some mathematical background and notation, simply because it will be used later.

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