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2011 Aug 23
0
survival analysis of EEG data
...th R and have some questions how to
apply and interpret the coxph and related functions:
I have time-dependent covariates with several measurements per subject with
constant delta t. The covariates change in each time step.
I fitted the following model:
fit <- coxph(Surv(start, stop, event) ~ ratePO + rateC + BLamp + BLP80 +
cluster(subjectID), data=dat)
and get
n= 1081, number of events= 10
coef exp(coef) se(coef) robust se z
Pr(>|z|)
ratePO -0.50189 0.60539 0.25195 0.17696 -2.836 0.004565 **
BLamp -0.05340 0.94800 0.02877 0.01470 -3.632 0.000281...