coxph & fitted.values

[Christel FAES]

Dear all, 

I have a questions related to the coxph model in INLA and the fitted values.   

I do make use of the following code to fit the semi-parameteric Cox proportional hazards model:

 surv<-inla.surv(time, delta)

 survival.inla <- inla(surv ~ 1 + X, 

                          data = data.survival, family = "coxph",

                          control.predictor = list(link = 1))

In my data, there are 229 observations.   The dimension of  survival.inla$summary.fitted.values takes another dimension, nl it has 788 rows.  

Can anyone explain what the fitted values are in case of the specified coxph model?

Thanks so much

Kind regards,

Christel

[Helpdesk]

INLA expand coxph into a poisson regression problem, and it is in this
context you have to understand the results. the reference is here:

https://onlinelibrary.wiley.com/doi/full/10.1111/j.1467-9469.2010.00715.x


On Fri, 2021-10-08 at 05:32 -0700, 'Christel FAES' via R-inla discussion

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