* using log directory ‘/home/hornik/tmp/CRAN_special_donttest/gammaFuncModel.Rcheck’
* using R Under development (unstable) (2026-02-01 r89366)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc-15 (Debian 15.2.0-12) 15.2.0
    GNU Fortran (Debian 15.2.0-12) 15.2.0
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* using option ‘--run-donttest’
* checking for file ‘gammaFuncModel/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘gammaFuncModel’ version ‘6.0’
* checking CRAN incoming feasibility ... [3s/3s] OK
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking serialization versions ... OK
* checking whether package ‘gammaFuncModel’ can be installed ... [4s/4s] OK
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [1s/1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the package can be unloaded cleanly ... [1s/1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [1s/1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [7s/7s] OK
* checking Rd files ... [0s/0s] OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... [16m/16m] ERROR
Running examples in ‘gammaFuncModel-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: pk_calculation
> ### Title: Function that returns a data frame for Tmax, Cmax, half-life,
> ###   AUC and AUCInf for metabolites
> ### Aliases: pk_calculation
> 
> ### ** Examples
> 
> require(gammaFuncModel)
> require(dplyr)
Loading required package: dplyr

Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union

> ## No test: 
> df <- data.frame(
+  ID = rep(sprintf("%02d", 1:10), each = 9 * 3),             
+  Time = rep(rep(1:9, each = 3), 10),                      
+  Diet = as.factor(rep(1:3, times = 9 * 10)),             
+  Age = rep(sample(20:70, 10, replace = TRUE), each = 9 * 3), 
+  BMI = round(rep(runif(10, 18.5, 35), each = 9 * 3), 1)     
+ )
> metvar <- paste0("met", 1:10)
> n_rows <- nrow(df)
> concentration_data <- sapply(1:10, function(m) {
+  shape <- runif(1, 2, 5)     
+  scale <- runif(1, 1, 3)     
+  rgamma(n_rows, shape = shape, scale = scale)
+ })
> colnames(concentration_data) <- metvar
> df <- cbind(df, as.data.frame(concentration_data))
> covariates <- c("ID", "Diet", "Age", "BMI")
> mods <- generate_models(df = df, met_vec = metvar, covariates = covariates, graph = 'None')
> result <- pk_calculation(
+   df = df, 
+   met_vec = metvar, 
+   models = mods, 
+   grp_name = "Diet", 
+   covariates = covariates
+  )
Error in UseMethod("fixef") : 
  no applicable method for 'fixef' applied to an object of class "NULL"
Calls: pk_calculation -> precompute_f_list -> generate_f_function -> fixef
Execution halted
Examples with CPU (user + system) or elapsed time > 600s
                   user system elapsed
diffGrpResponse 602.524    0.7 603.316
* checking PDF version of manual ... [3s/3s] OK
* checking HTML version of manual ... [1s/1s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR