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    GNU Fortran (GCC) 13.3.0
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* this is package 'RISCA' version '1.0.6'
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* checking examples ... [19s] ERROR
Running examples in 'RISCA-Ex.R' failed
The error most likely occurred in:

> ### Name: markov.3states.rsadd
> ### Title: 3-state Relative Survival Markov Model with Additive Risks
> ### Aliases: markov.3states.rsadd
> ### Keywords: Markov
> 
> ### ** Examples
> 
> # import the observed data
> # (X=1 corresponds to initial state with a functioning graft, X=2 to acute rejection episode, 
> # X=3 to return to dialysis, X=4 to death with a functioning graft)
> 
> data(dataDIVAT1)
> 
> # A subgroup analysis to reduce the time needed for this example
> 
> dataDIVAT1$id<-c(1:nrow(dataDIVAT1))
> set.seed(2)
> d3<-dataDIVAT1[dataDIVAT1$id %in% sample(dataDIVAT1$id, 200, replace = FALSE),]
> 
> # Individuals with trajectory 13 and 123 are 
> # censored at the time of transition into state X=3
> 
> d3$trajectory[d3$trajectory==13]<-1
> d3$trajectory[d3$trajectory==123]<-12
> d3$trajectory[d3$trajectory==14]<-13
> d3$trajectory[d3$trajectory==124]<-123
> 
> # import the expected mortality rates
> 
> data(fr.ratetable)
> 
> # 3-state Markov model with additive risks including one explicative variable 
> # (z is the delayed graft function) on all transitions. We only reduced
> # the precision and the number of iteration to save time in this example,
> # prefer the default values.
> 
> markov.3states.rsadd(times1=d3$time1, times2=d3$time2, sequences=d3$trajectory,
+   dist=c("E","E","E"), ini.dist.12=c(8.34),
+   ini.dist.13=c(10.70), ini.dist.23=c(11.10),
+   cov.12=d3$z, init.cov.12=c(0.04), names.12=c("beta12_z"),
+   cov.13=d3$z, init.cov.13=c(1.04), names.13=c("beta1E_z"),
+   cov.23=d3$z, init.cov.23=c(0.29), names.23=c("beta2E_z"),
+   p.age=d3$ageR*365.24, p.sex=d3$sexR,
+   p.year=as.date(paste("01","01",d3$year.tx), order = "mdy"),
+   p.rate.table=fr.ratetable,  conf.int=TRUE,
+   silent=FALSE, precision=0.001)
Error in as.date(paste("01", "01", d3$year.tx), order = "mdy") : 
  could not find function "as.date"
Calls: markov.3states.rsadd
Execution halted
* checking PDF version of manual ... [24s] OK
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* DONE
Status: 1 ERROR