I deleted the file zzz.R from the R subdirectory which contained the following:
## startup file for clValid package
#.First.lib <- function(libname, pkgname, where) {
# if( !require(methods) ) stop("we require methods for package
clValid")
# where <- match(paste("package:", pkgname, sep=""),
search())
# .initClValid(where)
#}
and the problem went away. I'm not sure, though, why this would have any
effect ...
Anyway, problem solved!
Guy
>>> "Guy Brock" <guy.brock at louisville.edu>
12/10/2007 12:25 AM >>>
Dear all,
I am encountering a cyclic dependency error when running R CMD check on an R
package I wrote (R version 2.6.1, Mac OS X 10.4), see the error message below.
Creating a new generic function for "print" in "clValid"
Creating a new generic function for "summary" in "clValid"
Creating a new generic function for "plot" in "clValid"
Error in loadNamespace(package, c(which.lib.loc, lib.loc), keep.source =
keep.source) :
cyclic name space dependencies are not supported
Error : package/namespace load failed for 'clValid'
Error: unable to load R code in package 'clValid'
Execution halted
ERROR: lazy loading failed for package 'clValid'
** Removing
'/Users/guybrock/Documents/projects/DattaPackages/Cluster/clValid_0.5-4.Rcheck/clValid'
The NAMESPACE file is below,
.onLoad <- function(lib, pkg) require(methods)
importFrom(graphics, plot)
exportClasses(clValid)
exportMethods(clusters, clusterMethods, nClusters, measNames, measures,
optimalScores, plot, print, show, summary)
S3method(print,sota)
S3method(plot,sota)
export(clValid, sota, dunn, connectivity, BHI, BSI, stability, matchGO)
My question is - how can I locate the source of the cyclic dependency error?
This is an updated version of a package which did not previously have this
error, so somehow I introduced this in the modifications I made. Note that R
CMD check on Windows (R version 2.6.0) doesn't catch this, although R CMD
build --binary fails on Windows with the same error.
Thanks,
Guy
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