search for: histoluh

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2008 Jun 16
1
回复: cch() and coxph() for case-cohort
...(1 - subcohort)) + cluster(seqno), data = ccoh.data) n= 1154 coef exp(coef) se(coef) robust se z p stageII 0.7363 2.09 0.1213 0.1699 4.33 1.5e-05 stageIII 0.5976 1.82 0.1233 0.1753 3.41 6.5e-04 stageIV 1.3921 4.02 0.1339 0.2081 6.69 2.2e-11 histolUH 1.5059 4.51 0.0911 0.1644 9.16 0.0e+00 age 0.0432 1.04 0.0146 0.0243 1.78 7.6e-02 exp(coef) exp(-coef) lower .95 upper .95 stageII 2.09 0.479 1.497 2.91 stageIII 1.82 0.550 1.289 2.56 stageIV 4.02 0.249 2.676...
2008 Jun 12
1
cch function and time dependent covariates
----- begin included message In case cohort study, we can fit proportional hazard regression model to case-cohort data. In R, the function is cch() in Survival package Now I am working on case cohort analysis with time dependent covariates using cch() of "Survival" R package. I wonder if cch() provide this utility or not? The cch() manual does not say if time dependent covariate is