[R] R CMD check errors

[Uwe Ligges]

Thomas Stabla wrote:

> On Fri, 12 Mar 2004, Uwe Ligges wrote:
> 
> 
>>Thomas Stabla wrote:
>>
>>>Hello again,
>>>
>>>I tried to isolate the source code, which causes the error messages:
>>>
>>>* checking S3 generic/method consistency ... WARNING
>>>Error in .tryQuietly({ : Error in library(package, lib.loc = lib.loc,
> 
> character.only = TRUE,
> verbose = FALSE) :
> 
>>>        package/namespace load failed
>>>* checking for replacement functions with final arg not named 'value'
> 
> ... WARNING
> 
>>>Error in .tryQuietly({ : Error in library(package, lib.loc = lib.loc,
> 
> character.only = TRUE,
> verbose = FALSE) :
> 
>>>        package/namespace load failed
>>>
>>>
>>>I created a new package skeleton by calling package.skeleton(name =
>>>"error") from R 1.8.1.
>>>
>>>I deleted the subdirectories 'data', 'src' and 'man'.
>>>
>>>The NAMESPACE file contains:
>>>
>>>  exportPattern("^[^\\.]")
>>
>>
>>and lacks:
>>
>>    import("methods")
>>
>>and for sure you want as well:
>>
>>    exportClass("Parameter")
>>
>>
>>Thus, the complete file is:
>>
>>
>>    import("methods")
>>    exportClass("Parameter")
>>    exportPattern("^[^\\.]")
>>
> 
> 
> sounds logical.
> BTW, I read "Writing R Extensions" in HMTL form under Windows R 1.8.1, and
> it doesn't mention exportClass.
> Also it doesn't describe how to use S4 classes (or package "methods") and
> namepaces together.
> Hence, I think it is not up to date.

You are right, sorry. The version in R-devel (R-1.9.0 alpha) is up to 
date and mentions how to handle S4 classes. So you might want to check 
that one.

Best,
Uwe




> 
>>>The Error.R file in the subdirectory 'R' contains
>>>
>>>  x <- 1
>>>  setClass("Parameter", setClass("Parameter", representation(name =
> 
> "character"))
> 
>>
>>Well, above, you mean:
>>   setClass("Parameter", representation(name = "character"))
>>
> 
> 
> copy & paste error, sorry
> 
> Now R CMD check distr runs smoothly, thanks for your help.
> 
> Thomas Stabla
> 
> 
> 
>