[R] weird error: Coercing LHS to a list

[David Winsemius]

On Jun 20, 2010, at 5:40 PM, Nick Matzke wrote:

> Wow, did I stump everyone with this?  Mostly I'd just like to build  
> a class without getting the error below.

Hardly.

a) LHS= left hand side
b) It is not an error message in the first place, and for another  
thing, why are you creating instances of a class with the same name as  
the class?

>
> Cheers!
> Nick
>
> Nick Matzke wrote:
>> Hi all!  I'm trying to build a simple class, but I'm getting a  
>> weird error.
>> E.g. if I do:
>> ==========
>> gregion = setClass("gregion", contains = "data.frame",  
>> representation(name = "character", poly.x = "numeric", poly.y =  
>> "numeric" ))
>> gregion$name = "North America"
>> ==========
>> Then I get this message:
>> Warning message:
>> In gregion$name = "North America" : Coercing LHS to a list
>> ...although it appears to work, I'd rather not have disturbing  
>> mysterious error messages (what's LHS?)...
>> Cheers!
>> Nick
>
> -- 
> ====================================================
> Nicholas J. Matzke
> Ph.D. Candidate, Graduate Student Researcher
> Huelsenbeck Lab
> Center for Theoretical Evolutionary Genomics
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>
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David Winsemius, MD
West Hartford, CT