On Thu, Apr 30, 2015 at 3:44 AM, Martin Maechler <
maech...@lynne.stat.math.ethz.ch> wrote:
[...]
>
> If I have understood your main point correctly, you are
> suggesting that 'R CMD check' should start putting out a NOTE
> when package code calls a function from one of a set of
> "standard packa
> Gábor Csárdi
> on Wed, 29 Apr 2015 23:07:09 -0400 writes:
> On Wed, Apr 29, 2015 at 8:12 PM, Paul Gilbert
wrote:
>>
>> As I recall, several packages mask the simulate generic in stats, if you
>> are looking for examples.
>>
> FWIW, here is a list of base
On Wed, Apr 29, 2015 at 8:12 PM, Paul Gilbert wrote:
>
> As I recall, several packages mask the simulate generic in stats, if you
> are looking for examples.
>
FWIW, here is a list of base* functions masked** by CRAN packages:
https://github.com/gaborcsardi/rfunctions/blob/master/rfunctions.md
Lo
On 04/29/2015 05:38 PM, William Dunlap wrote:
And in general a developer would avoid masking a function
in a base package, so as not to require the user to distinguish
between stats::density() and igraph::density(). Maybe the
example is not meant literally.
The 'filter' function in the popula
> And in general a developer would avoid masking a function
> in a base package, so as not to require the user to distinguish
> between stats::density() and igraph::density(). Maybe the
> example is not meant literally.
The 'filter' function in the popular 'dplyr' package masks the one
that has be
On Wed, Apr 29, 2015 at 4:24 PM, Martin Morgan
wrote:
> On 04/28/2015 01:04 PM, Gábor Csárdi wrote:
>
[...]
> E.g. if package 'ggplot2' uses 'stats::density()', and package 'igraph'
>> also defines 'density()', and 'igraph' is on the search path, then
>> 'ggplot2' will call 'igraph::density()' i
On 04/28/2015 01:04 PM, Gábor Csárdi wrote:
When a symbol in a package is resolved, R looks into the package's
environment, and then into the package's imports environment. Then, if the
symbol is still not resolved, it looks into the base package. So far so
good.
If still not found, it follows t
On Wed, Apr 29, 2015 at 3:24 PM, Duncan Murdoch
wrote:
[...]
> Yes, people can do this already. But why not help them with a NOTE if they
>> don't know that this is good practice, or they just simply forget?
>>
>
> I suspect the reason for this is historical: at the time that the current
> warni
On Wed, Apr 29, 2015 at 3:28 PM, John Nolan wrote:
[...]
> 1. have R CMD check show how every external function reference gets
> resolved.
>
That's not possible, because it depends on the currently attached packages,
and even on the order of their attachment.
> 2. have R CMD check warn anytime
To: Gabriel Becker ,
Cc: "r-devel@r-project.org"
Date: 04/29/2015 01:57 PM
Subject: Re: [Rd] R CMD check and missing imports from base
packages
Sent by:"R-devel"
On Wed, Apr 29, 2015 at 1:45 PM, Gabriel Becker
wrote:
> Gabor,
>
> T
On 29/04/2015 1:57 PM, Gábor Csárdi wrote:
On Wed, Apr 29, 2015 at 1:45 PM, Gabriel Becker
wrote:
> Gabor,
>
> To play devil's advocate a bit, why not just have the package formally
> import the functions it wants to use (or the whole package if that is
> easier)?
>
This is exactly my goal. A
On Wed, Apr 29, 2015 at 1:45 PM, Gabriel Becker
wrote:
> Gabor,
>
> To play devil's advocate a bit, why not just have the package formally
> import the functions it wants to use (or the whole package if that is
> easier)?
>
This is exactly my goal. And to facilitate this, R CMD check could remi
Gabor,
To play devil's advocate a bit, why not just have the package formally
import the functions it wants to use (or the whole package if that is
easier)? Also, if your package Depends on another package, instead of
importing it (e.g. because the end user will need functions in it in order
to m
On Wed, Apr 29, 2015 at 12:53 PM, Winston Chang
wrote:
> On Tue, Apr 28, 2015 at 3:04 PM, Gábor Csárdi
> wrote:
> >
> >
> > E.g. if package 'ggplot2' uses 'stats::density()', and package 'igraph'
> > also defines 'density()', and 'igraph' is on the search path, then
> > 'ggplot2' will call 'igra
On Tue, Apr 28, 2015 at 3:04 PM, Gábor Csárdi wrote:
>
>
> E.g. if package 'ggplot2' uses 'stats::density()', and package 'igraph'
> also defines 'density()', and 'igraph' is on the search path, then
> 'ggplot2' will call 'igraph::density()' instead of 'stats::density()'.
Just to be clear: you m
When a symbol in a package is resolved, R looks into the package's
environment, and then into the package's imports environment. Then, if the
symbol is still not resolved, it looks into the base package. So far so
good.
If still not found, it follows the 'search()' path, starting with the
global e
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