Oh, I completely missed that one.
It's very neat as it seems to work both on Windows and Unix.
Thanks!
Xavier
On 10/02/15 10:52, Martyn Plummer wrote:
> The CRAN package snow is superseded by the parallel package which is
> distributed with R since version 2.14.0. Here are the release notes
>
> \item There is a new package \pkg{parallel}.
>
> It incorporates (slightly revised) copies of packages
> \CRANpkg{multicore} and \CRANpkg{snow} (excluding MPI, PVM and NWS
> clusters). Code written to use the higher-level API functions in
> those packages should work unchanged (apart from changing any
> references to their namespaces to a reference to \pkg{parallel},
> and links explicitly to \CRANpkg{multicore} or \CRANpkg{snow} on help
> pages).
>
> So you should replace your dependency on doSNOW with doParallel, which
> is the equivalent foreach adapter for the parallel package.
>
> Martyn
>
> On Mon, 2015-02-09 at 23:08 +0100, Xavier Robin wrote:
>> Dear list,
>>
>> When I run an R CMD check --as-cran on my package (pROC) I get the
>> following note:
>>> Uses the superseded package: ‘doSNOW’
>> The fact that it uses the doSNOW package is correct as I have the
>> following example in an .Rd file:
>>> #ifdef windows
>>> if (require(doSNOW)) {
>>> registerDoSNOW(cl <- makeCluster(2, type = "SOCK"))
>>> ci(roc2, method="bootstrap", parallel=TRUE)
>>> \dontrun{ci(roc2, method="bootstrap", parallel=TRUE)}
>>> \dontshow{ci(roc2, method="bootstrap", parallel=TRUE, boot.n=20)}
>>> stopCluster(cl)
>>> }
>>> #endif
>>> #ifdef unix
>>> if (require(doMC)) {
>>> registerDoMC(2)
>>> \dontrun{ci(roc2, method="bootstrap", parallel=TRUE)}
>>> \dontshow{ci(roc2, method="bootstrap", parallel=TRUE, boot.n=20)}
>>> }
>>> #endif
>> The "superseded" part is more confusing to me, though. The doSNOW
>> package seems to be still available on CRAN with no special notice,
>> listed in the HighPerformanceComputing view likewise, and under active
>> development (last change a couple of days ago on R-Forge). I could find
>> no mention of what it has been superseded with. Surprisingly, Google was
>> no help on this.
>>
>> I could see the note is triggered in QC.R file of the tools package.
>> However this finding is not much help and leaves me just as confused as
>> before.
>>
>> I recall spending quite some time to setup this example to run both
>> under Windows and Unix. doSNOW was the only way I could get it to work
>> there. doMC is apparently still available for Unix only. I couldn't get
>> doRNG to work on either platforms.
>>
>> So what is R CMD check noticing me about?
>> Should I ignore the notice, or take an action? If so, which one?
>>
>> Best wishes,
>> Xavier
>>
--
Xavier Robin, PhD
Cellular Signal Integration Group (C-SIG) - Linding Lab
Biotech Research and Innovation Center (BRIC) - University of Copenhagen
Anker Engelundsvej, DTU Campus, Building 301, DK-2800 Lyngby, DENMARK
Mobile: +45 42 799 833
www.lindinglab.org - www.bric.ku.dk
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