library(PKNCA)
#> 
#> Attaching package: 'PKNCA'
#> The following object is masked from 'package:stats':
#> 
#>     filter

d_conc <- data.frame(conc = 2^(0:-5), time = 0:5)

o_conc <- PKNCAconc(d_conc, conc~time)
all_param_names <- names(get.interval.cols())
all_params <-
  as.data.frame(
    setNames(as.list(rep(TRUE, length(all_param_names))), all_param_names)
  )
all_params$start <- 0
all_params$end <- Inf
o_data <- PKNCAdata(o_conc, intervals = all_params)
o_nca <- pk.nca(o_data)
#> No dose information provided, calculations requiring dose will return NA.
#> Warning: All concentration data are missing
#> Error in `purrr::pmap()`:
#> ℹ In index: 1.
#> Caused by error in `assert_time()`:
#> ! Please report a bug.
#> : Error with interval start=0, end=Inf: Assertion on 'time' failed: Contains missing values (element 1).