[R-pkg-devel] data files not found in package checks

[Ulrike Grömping]

Thanks, Georgi! However, with LazyData, data() should not be needed, and 
I wouldn't know where to place it.

I now found the root cause, and it was very basic: I still had a 
namespace (CAs::...) reference to one of the data files in an example, 
and this - of course, because of LazyData instead of exporting - wasn't 
found, which made the check fail.

Best, Ulrike

Am 27.06.2025 um 07:42 schrieb Georgi Boshnakov:
> You can use data() to make datasets available in checks. Same for 
> examples.
>
> Georgi Boshnakov
>
> Sent from Outlook for Android <https://aka.ms/AAb9ysg>
> ------------------------------------------------------------------------
> *From:* R-package-devel <r-package-devel-bounces using r-project.org> on 
> behalf of Ulrike Grömping <ulrike.groemping using bht-berlin.de>
> *Sent:* Friday, June 27, 2025 1:41:17 AM
> *To:* r-package-devel using r-project.org <r-package-devel using r-project.org>
> *Subject:* [R-pkg-devel] data files not found in package checks
> Dear package developers, I likely miss something silly, but I fail to 
> find the root cause. I used to have my package data in sysdata. rda, 
> even though I exported some of them for the users' direct use. With my 
> new package CAs, I now want to move
> Dear package developers,
>
> I likely miss something silly, but I fail to find the root cause. I used
> to have my package data in sysdata.rda, even though I exported some of
> them for the users' direct use. With my new package CAs, I now want to
> move those files that are meant both for user information and for the
> inner workings of the package to the data/ folder, and I use "LazyData:
> true" in the description. The files are in the data folder as single rda
> files, and their documentation R files are in the R folder.
>
> Unfortunately, I do not know how to make the data visible during the
> checks. The checks keep throwing notes "no visible binding for global
> variable ...", and the examples fail, because the data from the folder
> data are not found. This happens regardless whether --as-cran is active
> or not.
>
> However, the package installs OK, the help files for the data objects
> are there, and the example code that failed the checks runs without
> problems. I have made sure that the objects from the data folder were
> not in the workspace prior to loading the package, i.e., the installed
> package appears to have them available. I have also installed the
> package before running the checks, without success. Perhaps I should
> also mention that I am on Windows, and (still) use R 4.3.0, though I do
> not expect that to be the root cause for the problem.
>
> Does someone have pointers how I can make the checks find the data files?
>
> Best, Ulrike
>
> -- 
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> ## Prof. Ulrike Groemping
> ## FB II
> ## BHT
> ##############################################
> ## prof.bht-berlin.de/groemping
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-- 
##############################################
## Prof. Ulrike Groemping
## FB II
## BHT
##############################################
## prof.bht-berlin.de/groemping
## Phone: +49(0)30 4504 5127
## Fax:   +49(0)30 4504 66 5127
## Home office: +49(0)30 394 04 863
##############################################