Hey guys thanks very much for al your responses. It was very helpful.

Jim

On Tue, Apr 12, 2011 at 6:59 PM, Peter Ehlers <ehlers@ucalgary.ca> wrote:

> On 2011-04-12 15:52, Seeliger.Curt@epamail.epa.gov wrote:
>
>> How do I remove all objects except one in R?
>>>>>
>>>>>  rm(list=ls()) #will remove ALL objects
>>>>
>>>
>>> But he wanted to remove all objects ***except one***!!!  So what's the
>>> point of this answer?
>>>
>>> I can't see any way except a rather round-about kludge to do what the
>>> OP wants. ...
>>>
>>
>> That might work.  Or try this, replacing QQQ with the name of the object
>> you want to keep.
>> rm(list=ls()[!grepl('^QQQ$',ls())])
>>
>> cur
>>
>
> package gdata has function keep() which does just what the OP asks for.
>
> Peter Ehlers
>
>


-- 
Thanks,
Jim.

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