[Rd] Using other peoples packages from within C-based R-extension

[Jeffrey Ryan]

This link may be of help as well...

https://stat.ethz.ch/pipermail/r-devel/2008-November/051262.html


HTH
Jeff

On 4/24/12 12:35 PM, "oliver" <oliver at first.in-berlin.de> wrote:

>Hello, 
>
>OK, thanks for the information...
>
>
>On Tue, Apr 24, 2012 at 12:02:33PM -0500, Dirk Eddelbuettel wrote:
>> 
>> On 24 April 2012 at 12:39, Duncan Murdoch wrote:
>> | On 24/04/2012 12:31 PM, oliver wrote:
>> | > Hello,
>> | >
>> | > what if I want to write a package mixed R/C-extension
>> | > and want to use code that is provided by other peoples packages?
>> | >
>> | > How for example can I use one of the provided wavelet packages
>> | > from within my C-based R-extension?
>> | >
>> | > Somehow I would need to load the other packages and have access to
>>the
>> | > functions they provide.
>> | > I mean I don't want to use the other packages via R-level, but
>>directly
>> | > on the C-layer. Something like shared libs (dlopen and such stuff)
>> | > but via R-API.
>> | >
>> | > Is there a general aproach to this, and how to do it?
>> | 
>> | See "Registering native routines" in the Writing R Extensions manual.
>> 
>> And there are over 120 packages providing access:
>> 
>>    CITAN Cubist GOSim KernSmooth MASS MSBVAR Matrix NetComp PMA
>>PopGenome
>>    QuACN RCurl RODBC RTextTools Rcpp Rigroup Rlabkey Rmosek Rmpfr Rook
>>Rserve
>>    Runuran SASxport SMCP SoDA TraMineR XML actuar adaptivetau akima
>>aster
>>    aster2 bcv bda blme boolfun bstats canvas caret catnet cgh chron
>>class
>>    climdex.pcic clpAPI clue cluster copula cplexAPI cplm datamap devEMF
>>    edesign expm fastICA fastcluster ff flsa foreign fracdiff
>>fuzzyRankTests
>>    gb glpkAPI gmp gputools grpreg gsmoothr heavy hypred ifs ifultools
>>int64
>>    interactivity kza lattice lfe lme4 locfit lpSolveAPI markdown mgcv
>>minqa
>>    mugnet ncvreg nlme nnet pedigreemm phangorn phmm potts ppstat qtbase
>>    qtpaint quadprog rPorta randtoolbox rcdd rdyncall rgeos rggobi
>>rmongodb
>>    rngWELL robustbase rpart rphast rrp rtfbs sde sensitivityPStrat sp
>>spatial
>>    spdep spsurvey spt tree tripack uncompress vines xlsReadWrite xts
>>yaml zoo
>[...]
>
>But no wavelets stuff... (?)
>(It was more than an example, I'm look for wavelet decompositioning.)
>
>
>> 
>> Matrix and lme4 is the prototypical example by R Core, MASS also
>>provides
>> something.  I'd probably start with zoo and xts ...
>[...]
>
>You mean with "start with" that I could look how to allow exporting
>for my own package?
>
>At the moment I'm rather looking for how to import symbols and access
>fnuctionality
>of othera people's packages ...
>
>
>Ciao,
>   Oliver
>
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