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2010 Feb 02
2
Error with R CMD check - Packages required but not available:
Hi All,
Apologies in advance if this is not the right email to post this
question.
I successfully created my first R package myPackage1.
Now I want to create another R package myPackage2 which requires
functions from myPackage1.
However when I try R CMD check myPackage2 I get the following error
* checking for working pdflatex ... OK
* using log directory '.../myPackage/myPackage2.Rcheck'
* using R version 2.9.2 (2009-08-24)
* using session charset: UTF-8
* checking for f...
2012 Jun 21
1
package slot of generic "[" and missing env@target?
...nce upgraded to R 2.15, I have a problem with duplicate S4 class name no longer works (the reason for having duplicate S4 class names is just software forks - they are largely identical but don't have an inheritence relationship, and will never have such).
This is happening with "library(mypackage2)" :
Error: package slot missing from signature for generic ?[?
and classes myclass, ANY, ANY, ANY
cannot use with duplicate class names (the package may need to be re-installed)
I have done "debug(methods:::.pkgMethodLabel)" and found that curiously, it is invoked for the two copie...