[R] Problem assigning "NA" as a level name in a list

[Cliff Behrens]

Very good...thanks!  As you can tell, I really haven't made much (READ 
any) previous use of this list.

Cliff

Ben Bolker wrote:
>
> Cliff Behrens-3 wrote:
>   
>>  For future reference, am 
>> I to assume that no contributed packages should be implicated in 
>> resolving a problem?
>>
>>
>>     
>
> It does bring things one step closer to "minimal, reproducible".
> If you can identify the problem as specifically involving the package,
> then it's still OK to query the general R list, but it's generally a
> good idea to Cc: the package maintainer as well.
>
>   Ben Bolker
>
>