The documentation for val.surv tried to be clear about that.
Note that val.surv is only for the case where the predictions were developed
on a separate dataset, i.e., that the validation is truly 'external'.
Frank
yz wrote:>
> Dear R users:
>
> I want to externally validate a model with val.surv.
>
> Can I use only calculated survival (at 1 year) and actual survival?
> Or I needed the survival function and actual survival.
>
> Thanks
>
> *Yao Zhu*
> *Department of Urology
> Fudan University Shanghai Cancer Center
> Shanghai, China*
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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