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Cox 回归模型
2022-06-26 01:31:00 【Mrrunsen】
我们可能想要量化单个变量的效应大小,或者在回归模型中包含多个变量以解释多个变量的效应。
我们可以使用函数拟合生存数据的回归模型,该函数在左侧coxph接受一个对象,在右侧具有回归公式的标准语法。SurvR
coxph(Surv(time, status) ~ sex, data = lung)
## Call:
## coxph(formula = Surv(time, status) ~ sex, data = lung)
##
## coef exp(coef) se(coef) z p
## sex -0.5310 0.5880 0.1672 -3.176 0.00149
##
## Likelihood ratio test=10.63 on 1 df, p=0.001111
## n= 228, number of events= 165
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