From bcarvalh at jhsph.edu  Fri Mar 16 22:03:34 2007
From: bcarvalh at jhsph.edu (Benilton Carvalho)
Date: Fri, 16 Mar 2007 17:03:34 -0400
Subject: [Rd] Problems with package containing S4 classes
In-Reply-To: <45FB045E.3090909@aon.at>
References: <45FB045E.3090909@aon.at>
Message-ID: <72DA1101-B6C5-4DB7-A9F8-2CC091D8AC7E@jhsph.edu>

your namespace probably contains:

useDynLib(testS4)

but you don't have any compiled code...

remove that line and everything will be fine.

btw, if you're playing with S4, you must import 'methods'

b

On Mar 16, 2007, at 4:55 PM, cstrato wrote:

> Dear all,
>
> Currently, I am trying to create a test package "testS4" using S4  
> classes,
> which I am attaching.
>
> Running R CMD check gives the following error:
>
> coeurebooks-computer:/Volumes/CoreData/CRAN cs$ R CMD check  
> testS4_0.1.1.tar.gz
> * checking for working latex ...sh: line 1: latex: command not found
> NO
> * using log directory '/Volumes/CoreData/CRAN/testS4.Rcheck'
> * using R version 2.5.0 Under development (unstable) (2007-02-26  
> r40806)
> * checking for file 'testS4/DESCRIPTION' ... OK
> * this is package 'testS4' version '0.1.1'
> * checking package dependencies ... OK
> * checking if this is a source package ... OK
> * checking whether package 'testS4' can be installed ... OK
> * checking package directory ... OK
> * checking for portable file names ... OK
> * checking for sufficient/correct file permissions ... OK
> * checking DESCRIPTION meta-information ... OK
> * checking top-level files ... OK
> * checking index information ... OK
> * checking package subdirectories ... OK
> * checking R files for non-ASCII characters ... OK
> * checking R files for syntax errors ... OK
> * checking whether the package can be loaded ... ERROR
> Error in library.dynam(lib, package, package.lib) :
>        shared library 'testS4' not found
> Error: package/namespace load failed for 'testS4'
> Execution halted
>
> Can someone explain what this error means?
> What is meant with "shared library"?
>
> For another test package I get the following error
> coeurebooks-computer:/Volumes/CoreData/CRAN cs$ R CMD INSTALL -l ~/ 
> Library/R/library mytest_0.3.2.tar.gz
> * Installing *source* package 'mytest' ...
> ** R
> ** save image
> Error in setMethod("export", "derivedClass", export.derivedClass) :
>        no existing definition for function "export"
> Error: unable to load R code in package 'mytest'
> Execution halted
>
> This error is even more strange since I cannot reproduce it in the  
> attached package.
> What may be the reason for this error?
>
> Thank you in advance.
> Best regards
> Christian
> _._._._._._._._._._._._._._._._
> C.h.i.s.t.i.a.n S.t.r.a.t.o.w.a
> V.i.e.n.n.a       A.u.s.t.r.i.a
> _._._._._._._._._._._._._._._._
>
> <testS4_0.1.1.tar.gz>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel



[Rd] Problems with package containing S4 classes
Benilton Carvalho