多元logistic回歸實(shí)習(xí)題

PAGEPAGE5多元logistic回歸1.下面是子宮內(nèi)膜癌的病例對(duì)照研究數(shù)據(jù)，暴露因素是雌激素。分組使用過(guò)雌激素未使用過(guò)雌激素病例組55（a）128（b）對(duì)照組19（c）164（d）問題：使用過(guò)雌激素是否是子宮內(nèi)膜癌的危險(xiǎn)因素？危險(xiǎn)強(qiáng)度為多少？2.為了探討糖尿病與血壓、血脂等因素的關(guān)系，研究者對(duì)56例糖尿病病人和65例對(duì)照者進(jìn)行病例對(duì)照研究，收集了性別、年齡、學(xué)歷、體重指數(shù)、家族史、吸煙、血壓、總膽固醇、甘油三脂、高密度脂蛋白、低密度脂蛋白11個(gè)因素的資料，各因素的觀察結(jié)果見下表。問題：糖尿病的相關(guān)因素有哪些？如何解釋相關(guān)因素的作用大??？如何評(píng)價(jià)模型優(yōu)劣？因素變量名賦值性別X1男=1，女=2年齡X2學(xué)歷X3小學(xué)以下=1，小學(xué)=2，初中=3，高中=4，大專及以上=5體重指數(shù)X4<24=1，24<26=2，26=3家族史X5無(wú)=1，有=2吸煙X6不吸=1吸=2血壓X7正常=1,高=2總膽固醇X8甘油三脂X9高密度脂蛋白X10低密度脂蛋白X11糖尿病Y對(duì)照=0，病例=1編號(hào)性別年齡學(xué)歷體重指數(shù)家族史吸煙血壓總膽固醇甘油三脂高密度脂蛋白低密度脂蛋白糖尿病1160221114.301.501.242.3002148321114.601.321.152.3003263211124.601.151.152.3004168322114.151.431.073.2105145212113.421.220.632.3006145332114.160.960.982.6507159211114.321.021.053.4908168331113.801.422.860.8509263221113.871.552.440.81010258221115.420.874.463.14011144222124.351.015.132.20012146311213.421.261.400.28013262121123.181.381.670.48014265121113.300.851.920.69015258211124.411.052.971.79016122512225.101.633.240.96017169111215.091.503.290.75018255211123.981.410.664.25019266121114.271.352.301.05020147212114.191.242.491.65021247322114.191.042.431.02022264222114.471.603.010.95023263121114.231.504.041.14024164111214.161.441.631.95025170221214.771.081.792.69026148121113.781.001.192.63027264211115.201.561.211.28028147222124.251.063.340.94029254421123.561.351.240.88030257121114.801.263.190.93031145221114.650.922.990.79032162221124.231.153.281.07033152122123.700.852.552.97034250221114.111.232.541.67035250232213.851.352.341.09036158311113.011.081.861.14037154321213.021.231.550.40038160132114.161.022.460.80039260211125.121.313.501.11040263311114.301.402.800.97041165222113.670.722.290.66042137321115.461.453.560.94043252221124.351.133.861.11044246131113.600.872.271.00045263122123.160.682.301.23046263222123.821.361.981.18047260322114.631.282.460.33048158221124.050.852.600.77049265311123.801.421.850.79050143222114.981.485.071.03051158122215.041.133.770.77052261421113.530.741.660.55053146421123.501.531.940.44054158222114.830.832.820.96055254421112.881.041.580.55056245122113.311.691.630.72057238221124.131.383.921.26058222532213.660.730.710.53059144131224.151.311.900.73060149331124.211.592.491.02061249231123.971.344.101