Does setting message=FALSE in the chunk options of the vignette help?
Or less preferably, using supressMessages() ?
On 2019-07-23 9:36 a.m., Lenth, Russell V wrote:
> Lionel,
>
> Thanks for your response. I understand that method overriding can be a
> serious issue, but as you say, this is not something that the user can act
> upon. Yet the message lands at the user’s feet.
>
> In my case, the messages are cluttering my package vignettes, and may or may
> not represent what users see if they themselves run the vignette code,
> depending on what version of ggplot2, etc. they have. I will certainly update
> my ggplot2 installation and that will help. But basically I don’t ever want
> these kinds of messages to appear in my vignettes, so I will seek some other
> workaround.
>
> Russ
>
> Sent from my iPhone
>
>> On Jul 23, 2019, at 1:32 AM, Lionel Henry <lio...@rstudio.com> wrote:
>>
>> Hello,
>>
>> I think `quietly` should only silence normal masking messages
>> intended for users and providing information about normal
>> behaviour, such as masking. This is not the case here as the
>> message is about overriding of S3 methods, which has global
>> effect and is rather problematic. It may change behaviour of
>> package and script code in unpredictable ways.
>>
>> This is not something that the user can act upon, the developers
>> of the parties involved need to be contacted by users so they can
>> fix it (the developers of the conflicting methods might not be
>> aware if the generic is from a third party package, such as
>> base::print()). In the case of ggplot2 vs rlang, you can update
>> ggplot2 to the latest version to fix these messages.
>>
>>> After all, other package startup messages ARE suppressed, and
>>> even error messages are suppressed
>>
>> Note that `quietly = TRUE` does not really suppress error
>> messages for missing packages. The errors are converted to a
>> boolean return value, and thus become normal behaviour, for which
>> it makes sense to suppress the message. This does not imply the
>> S3 overriding message should be suppressed as well.
>>
>> Best,
>> Lionel
>>
>>
>>> On 23 Jul 2019, at 06:29, Lenth, Russell V <russell-le...@uiowa.edu> wrote:
>>>
>>> Dear R-devel,
>>>
>>> Consider the following clip (in R version 3.6.0, Windows):
>>>
>>>> requireNamespace("ggplot2", quietly = TRUE)
>>> Registered S3 methods overwritten by 'ggplot2':
>>> method from
>>> [.quosures rlang
>>> c.quosures rlang
>>> print.quosures rlang
>>>
>>> It seems to me that if one specifies 'quietly = TRUE', then messages about
>>> S3 method overrides should be quieted along with everything else. After
>>> all, other package startup messages ARE suppressed, and even error messages
>>> are suppressed:
>>>
>>>> requireNamespace("xyz", quietly = TRUE)
>>>> ## (it is silent even though there is no "xyz" package)
>>>
>>> Thanks
>>>
>>> Russ Lenth
>>> U of Iowa
>>>
>>> ______________________________________________
>>> R-devel@r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
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