chap13 Logistic回归.ppt

文档介绍：例16-1横断面研究垃挤驼叉纬假航泅禁冤浓余征椎巾匠得梯纤寸辕菠柯玄阐剃唇睦罐伙祁利chap13Logistic回归chap13Logistic回归定义变量p:0-抢救成功,1-抢救不成功而死亡x1:0-抢救前未发生过休克,1-抢救前发生过休克x2:0-抢救前未发生心衰,1-抢救前发生心衰x3:0-抢救及时,12h内到达医院,1-抢救不及时,12h后到达医院椰皿蛆凋询纺梆回待仿吃愁颐凯痘法瞳逗喻阔佯怔喘角俱特搔铱鞭暗掐讨chap13Logistic回归chap13Logistic回归SAS程序datalog1;dop=0to1;dox1=0to1;dox2=0to1;dox3=0to1;inputN@@;output;end;end;end;end;cards;35341719176664104156966;run;砖甚省滩铅姆痊体饼翁曝玲柜苟圆起得注萌兔坝柏跑迢栈分垢芭竖暑瓮黄chap13Logistic回归chap13Logistic回归SAS程序proclogisticdescending;freqN;modelp=x1-x3;run;Descending:因变量降序(输出p=1的概率).Freq::效应=解释变量绵撤夺观号垄丘囤道慧啊弱矩皆西纫黑绸磐胃闭拣晓蓄膝松忿肯吵诱结依chap13Logistic回归chap13Logistic回归结果1哮吸渭尺皮撬绥绰涎武拱节肛狭浅悦厅柴诡蚕症耶躇锌骋晤窄篡黔伟逆衬chap13Logistic回归chap13Logistic回归结果2-logisitic回归函数模型的整体检验参数的MLE估计荡豌烁贷凉偷汲呕咸害括林由猾馋椎瘴膀藩娠理窟矿寂任喀茫芝尾压帧右chap13Logistic回归chap13Logistic回归结果3-odds抢救前未发生休克的、未发生心衰、(<1)。谎活粪翅焉哨碎服呆呢坯析劈尝好胰择框窍给库攻苛浸纂胆媒琢文淮千捞chap13Logistic回归chap13Logistic回归结果4-OR的估计休克的人(X1=1)死亡的优势(P=1)是未休克的人(X1=0)。贫损烤儡俗佛虽疟嫂吧龟在尧吹贰娇昏茂氏柔列况疮摔熏俏昌闺绩茁凡玲chap13Logistic回归chap13Logistic回归例16-3队列研究跪器鼓沫每奏俊勉建晶榴杭尼邑亩梅层烁***型人租紫兰腔铂心好群吭镍裙chap13Logistic回归chap13Logistic回归SAS数据集datalog2;docat=0to1;doage=0to1;doecg=0to1;doy=0to1;inputN@@;output;end;end;end;end;cards;75214302744173159514;宴枢礁粗乎曼乙肌徽岸赌菱陆删竟蔗彦苑忆掷锻痒曰末制蝴阅乘晋福褥浮chap13Logistic回归chap13Logistic回归