Dear R-Users,
I've recently used relsurv package for relative survival analysis. In particular I've tried to reproduce the examples proposed in the R-documentation about rsadd, rsmul and rstrans functions in R latest version (R 2.14.1). These examples don't run and the error message is always the following:
 
data(slopop)
data(rdata)
rsadd(Surv(time,cens)~sex+as.factor(agegr)+ratetable(age=age*365,sex=sex,year=year),ratetable=slopop,data=rdata,int=5)
Errore in .Call("pyears3b", as.integer(death), as.integer(rfac), as.integer(atts$dim),  : 
 C symbol name "pyears3b" not in DLL for package "survival"

However I've tried to reproduce the same examples in R oldest version (R 2.9.2) and they correctly run.
Do you have any suggestions?
Thank you for your help.
Best regards.
Annalisa
  
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