1Classification And Regression Tree analysis with StataWim van PuttenUniversity Hospital RotterdamErasmus Medical CenterDaniel den Hoed Cancer CenterDepartment of StatisticsNL Stata Users meeting, Maastricht, May 23, 2002 N F RHR # positive nodes * 0-1 1813 702 .66 0-4 # positive nodes * 2 242...
classificationandregressiontreeanalysisof10001000的分类与回归树分析 系统标签: regressionclassificationanalysisupcpatients回归 ClassificationandRegressionTreeAnalysisof1000Consecutive PatientswithUnknownPrimaryCarcinoma 1 KennethR.Hess,MarieC.Abbruzzese, RenatoLenzi,MartinN.Raber,and JamesL.Abbruzzese 2 DepartmentsofBiomat...
ClassificationAndRegressionTreeanalysiswithStata WimvanPuttenUniversityHospitalRotterdam ErasmusMedicalCenterDanieldenHoedCancerCenter DepartmentofStatistics NLStataUsersmeeting,Maastricht,May23,2002 CARTanalysisRelapsefreeinterval[mo]-Splitif(adjusted)P<.05 Withvariables:nrposx NFRHR 0-1 1813702.66 0-4 #...
1、大自然中发现的变量,大多近似服从正态分布 2、变量可以服从Poisson,Student-t 或 Binomial 分布,盲目地假设变量服从正态分布可能导致不准确的结果。 第一句话解释了,这个正态分布是经过验证的规律,大部分都符合,所以这个例子分布符合并不意外,不是巧合。 第二句话解释了,还有其他分布,不是所有规律都符合。 读完...
devastating idiopathic cardiomyopathy that affects women during pregnancy or shortly after delivery.1–3 The medical literature provides reference to PPCM as early as 1849.4 Its recognition as a distinct clinical entity first occurred in 1937,5 and the term PPCM was introduced in 1971 when Demakis.....
Classification and regression tree analysis (CART) for discrimination between patients with relapse (denoted by a red bar) and non-relapsing patients (white bars).Agnieszka CzarnieckaMonika KowalDagmara RusinekJolanta KrajewskaMichal JarzabEwa...
Building on previous research, the current study compares the relative ability of logistic regression analysis and classification tree analysis to construct predictive models for the purposes of case linkage. Two samples are utilised in this study: a sample of 376 serial car thefts committed in the ...
内容提示: OverviewClassification and regression treesWei-Yin LohClassificationandregressiontreesaremachine-learningmethodsforconstructingpredictionmodelsfromdata.Themodelsareobtainedbyrecursivelypartitioningthe data space and fitting a simple prediction model within each partition. As aresult, the partitioning can ...
and served as derivation and validation cohorts for classification and regression tree (CART) analysis. CART analysis identified three factors prognostic of survival: hepatic encephalopathy (HE), prothrombin time (PT), and total bilirubin (TBil) level; and two distinct risk groups: low (28-day mor...
Associations between KIDMED and FAS, physical activity and socio-economic parameters were examined using regression and classificationregression tree analysis (CART). Results The higher the FAS score, the greater the percentage of children and adolescents who reported to consume, on a daily basis, ...