[R-pkg-devel] Cannot find source of devtool::check() warnings in R code

[Uwe Ligges]

On 09.12.2021 17:10, Steve Gutreuter wrote:
> I am getting the following warnings from devtools:check():
> 
> W  checking whether package ‘screenr’ can be installed (4.8s)
>     Found the following significant warnings:
>       Warning: replacing previous import ‘pROC::cov’ by ‘stats::cov’ 
> when loading ‘screenr’
>       Warning: replacing previous import ‘pROC::var’ by ‘stats::var’ 
> when loading ‘screenr’
>       Warning: replacing previous import ‘pROC::smooth’ by 
> ‘stats::smooth’ when loading ‘screenr’
>     See ‘/tmp/RtmppuzDGj/screenr.Rcheck/00install.out’ for details.

You import from NAMESPACEs pROC and stats, both offering functions of 
the same name. That means you should only import selectively from these 
NAMESPACEs what you need.

Best,
Uwe Ligges

> The 00install.out file does not inform me about where, in my R code, 
> those warnings were triggered.  I have searched my code for instances of 
> *cov, *var and *smooth and found nothing.  I suspect that the warnings 
> are coming from functions from the stats package.
> 
> Any hints about how to trace those warnings or, better yet, overcome 
> them will me much appreciated
>