[R-pkg-devel] Using \donttest with R >= 4.0.0

[Ben Bolker]

   (This crossed with Martin Ondrus's reply).

   In the past few years CRAN screeners have gotten more strict about 
\dontrun{}; a first-round screening often comes back requesting that 
\dontrun{}, and commented-out examples, not be used.

https://stat.ethz.ch/pipermail/r-package-devel/2018q3/003084.html
https://stat.ethz.ch/pipermail/r-package-devel/2018q2/002811.html

   Guido, perhaps the screening is being applied differently in your case?

   Another strategy, albeit one that is a little bit annoying/requires 
some more machinery, is to store pre-computed objects in 
inst/example-data, then do something like


fitted_model <- readRDS(system.file("example-data", "fit1.rds", package 
= "my_pkg"))

  the object (which takes too long to fit as part of a testing flow) 
then becomes available for showing how methods apply to it.

   cheers
    Ben


On 11/16/21 2:56 PM, Guido Schwarzer wrote:
> Am 16.11.21 um 20:16 schrieb Martin Ondrus:
> 
>> Hi Duncan,
>>
>> That's a fair point, and I think making the examples run quicker probably
>> makes the most sense. I have bad experiences with using dontrun - my
>> package always gets flagged. Although not ideal, it's probably better to
>> include some very fast running examples rather than none at all. 
>> Appreciate
>> your advice/help!
> 
> I have been using dontrun for a long time (and I am still using it) 
> without any real issues. Initially, I used it to get rid of runtime 
> notes impeding submission to CRAN. Now I am also using it for additional 
> features, e.g., to describe some additional analyses / figure layouts.
> 
> I always check my packages under R-devel on 
> https://win-builder.r-project.org/ before submission to CRAN. If this 
> does not trigger any notes, the package is good to go.
> 
> Best, Guido
> 
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-- 
Dr. Benjamin Bolker
Professor, Mathematics & Statistics and Biology, McMaster University
Director, School of Computational Science and Engineering
(Acting) Graduate chair, Mathematics & Statistics