R Under development (unstable) (2024-03-11 r86098 ucrt) -- "Unsuffered Consequences"
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> library(phoenix)
> 
> ################################################################################
> # verify that the return is an integer vector
> eg <- phoenix_endocrine(glucose, sepsis)
> stopifnot(is.integer(eg))
> 
> ################################################################################
> # verify that a single 0 is returned when nothing is passed, or just a data set
> # is passed
> stopifnot(identical(phoenix_endocrine(), 0L))
> stopifnot(identical(phoenix_endocrine(data = sepsis), 0L))
> 
> ################################################################################
> #                                 End of File                                  #
> ################################################################################
> 
> proc.time()
   user  system elapsed 
   0.12    0.04    0.15