Re: [R] strange warning message

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Sat 30 Sep 2006 - 10:21:20 GMT

On 9/30/2006 1:00 AM, Tong Wang wrote:
> Hi Duncan:
> Thank you for your help last time, since I do not use NULL to indicate empty enviroment, I think I'm fine.
> And yes, I did upgrade my R version recently, but how comes I still get this warning for new files created
> and saved after that update ? Is there anyway to get rid of this message ?

Please show some code that leads to the message. You shouldn't get it in new objects, but there could be a bug in R or in a package you're using.

Duncan Murdoch

> Thanks a lot .
>
> best
>
> ----- Original Message -----
> From: Duncan Murdoch <murdoch@stats.uwo.ca>
> Date: Saturday, September 23, 2006 5:59 pm
> Subject: Re: [R] strange warning message
> To: Tong Wang <wangtong@usc.edu>
> Cc: r-help@stat.math.ethz.ch
>

>> On 9/23/2006 7:15 PM, Tong Wang wrote:
>>> Hi Everyone,
>>>     I recently start to get this warning message,  while loading 
>> files in to R.   Could someone tell me what does it mean ?
>>> I am using R 2.3.0 with Emacs on WinXP.
>>>
>>>     use of NULL environment is deprecated 
>> The files were saved in an earlier version of R, which used NULL to 
>> indicate the base environment.  R is telling you that NULL is not a 
>> legal environment.  It should be automatically converted to baseenv().
>>
>> In a number of cases, people used NULL to indicate an empty 
>> environment 
>> (even though there was no such thing when NULL was used); if that's 
>> true 
>> for your code, then you'll need to fix it.  emptyenv() now gives 
>> you an 
>> empty environment if that's what you really want.
>>
>> Duncan Murdoch
>>

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