[R-sig-dyn-mod] masked graphics:matplot (was: error attaching package deSolve)

[Darin Perusich]

Thanks for shedding light on that fact that this is nothing more than
an information message!
--
Later,
Darin


On Fri, Jan 8, 2016 at 10:50 AM, Thomas Petzoldt
<thomas.petzoldt at tu-dresden.de> wrote:
> Hi Darin,
>
> thanks for installing deSolve. The message that something is masked is
> normal intended behavior and NOT an error. It is not even a warning.
>
> It just means that deSolve re-defines or extends the original behavior of
> function "matplot", to make it more user-friendly for deSolve objects. In
> case of package deSolve, "matplot" works as expected and users normally
> don't need to care about it, except another package introduces another
> incompatible redefinition. The notice makes you aware of this, so that you
> have the choice of trusting the package authors and just use:
>
> matplot()
>
> or if you don't trust them or in case of conflicting redefinitions from
> several loaded packages, you may consider to use:
>
> graphics::matplot()
>
> to get the original behavior.
>
> Such redefinition/extension is sometimes unavoidable and in the interest of
> the user. Many other prominent packages do the same.
>
> Regards,
>
> Thomas
>
>
> On 08.01.2016 16:30, Darin Perusich wrote:
>>
>> Hello All,
>>
>> Please bear with me, I'm a systems administrator helping an end user
>> troubleshoot a problem.
>>
>> When attempting to load the deSolve library it's failing with the
>> message 'The following object is masked from ‘package:graphics’:
>> matplot', however the graphics library is loaded, (.packages()) lists
>> it, see my output below. However if I manually load graphics and then
>> deSolve it's loads without issue.
>>
>> Can anyone shed some light as to what might be causing this?
>>
>> R-base 3.2.2
>> deSolve 1.13-1 installed via install.packages("deSolve",
>> repos="http://R-Forge.R-project.org")
>>
>> The output that I'm seeing...
>>
>> linux-4on9:~> R
>>
>> R version 3.2.2 (2015-08-14) -- "Fire Safety"
>> Copyright (C) 2015 The R Foundation for Statistical Computing
>> Platform: x86_64-suse-linux-gnu (64-bit)
>>
>> 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.
>>
>>    Natural language support but running in an English locale
>>
>> 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.
>>
>>> (.packages())
>>
>> [1] "stats"     "graphics"  "grDevices" "utils"     "datasets"  "methods"
>> [7] "base"
>>>
>>> library('deSolve')
>>
>>
>> Attaching package: ‘deSolve’
>>
>> The following object is masked from ‘package:graphics’:
>>
>>      matplot
>>
>>> library('graphics')
>>> library('deSolve')
>>
>>
>> --
>> Later,
>> Darin
>
>
>
> --
> Dr. Thomas Petzoldt
> Technische Universitaet Dresden
> Faculty of Environmental Sciences
> Institute of Hydrobiology
> 01062 Dresden, Germany
>
> E-Mail: thomas.petzoldt at tu-dresden.de
> http://tu-dresden.de/Members/thomas.petzoldt
>