R Under development (unstable) (2024-01-12 r85803 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> # functions that are required in the testing suite
> 
> # utility function
> all_equal <- function(target, current, label,
+     tolerance = sqrt(.Machine$double.eps), scale = NULL,
+     check.attributes = FALSE)
+ {
+     if (missing(label))
+         stop("Argument 'label' is missing\n")
+     res <- all.equal(target, current, tolerance, scale,
+         check.attributes = check.attributes)
+     if (is.character(res))
+         cat(paste0(label, ": ", res, "\n"))
+ }
> 
> # check functions for coef() and SE()
> check <- function(ref, est, what, characteristic)
+ {
+     all_equal(as.numeric(coef(ref)), as.numeric(coef(est)),
+         paste0(what, ": ", characteristic, ": coef"))
+     all_equal(as.numeric(SE(ref)), as.numeric(SE(est)),
+         paste0(what,": ", characteristic, ": SE"))
+ }
> 
> proc.time()
   user  system elapsed 
   0.14    0.03    0.15