[Rd] Implementing `sd` and `var` as generic functions

[Nicholas Tierney]

Hi everyone,

It seems that `sd` and `var` are currently not implemented as generic
functions. I was wondering if it is possible to request that they be
implemented, or if there is a proper process to go through doing that?

Apologies if this has already been discussed!

Cheers,

Nick

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[Rd] Snapshot server down?

[Rainer Hurling]

Hi maintainers,

When I try to download the tarball of the daily snapshot from 
https://stat.ethz.ch/R/daily, I get a


  '403 Forbidden'
  'You don't have permission to access this resource'.

It seems that the permissions were accidentally tightened?

Greetings,
Rainer Hurling

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Re: [R-pkg-devel] Ensuring permanence and SHA consistency of released CRAN packages for validated software

[Borini, Stefano]

Then I argue that the model is wrong. Platforms change all the time, but 
package release and package testing are two separate operations. I also guess 
it hardly scales. If the number of packages were to increase, you can’t rebuild 
and retest them all every time a linux distribution changes something and you 
want to retest the whole lot against it.


--
Stefano Borini
Principal Analytical Tools Developer
AstraZeneca R BioPharmaceuticals | Data Science & AI | Early Biometrics & 
Statistical Innovation



From: Iñaki Ucar 
Date: Thursday, 17 March 2022 at 10:16
To: "Borini, Stefano" 
Cc: Dirk Eddelbuettel , Henrik Bengtsson 
, "r-package-devel@r-project.org" 

Subject: Re: [R-pkg-devel] Ensuring permanence and SHA consistency of released 
CRAN packages for validated software

On Thu, 17 Mar 2022 at 10:08, Borini, Stefano
 wrote:
>
> Sure, but why rebuild the package that has already been built?

Because the rest of the stack evolves and changes (compilers, shared
libraries, other packages), so you need to periodically (or, better
and more efficiently, each time a dependency changes) rebuild stuff to
check that it still works. Linux distributions have dedicated services
for this (see e.g. [1]).

[1] https://koschei.fedoraproject.org/

--
Iñaki Úcar



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