Thanks so much! Duncan, I appreciated!
On Thu, Apr 8, 2010 at 5:03 AM, Duncan Murdoch <murd...@stats.uwo.ca> wrote:
> On 07/04/2010 4:24 PM, Changbin Du wrote:
>
>> Hi, r-community,
>>
>> This morning, I MET the following problem several times when I try to
>> attach
>> the data set.
>>
>> When I closed the current console and reopen the R console, the problem
>> disappear. BUt with the time passed on, the problem occurs again.
>>
>> Can anyone help me with this?
>>
>> attach(total)
>>>
>>
>> The following object(s) are masked from total ( position 3 ) :
>>
>> acid base cell_evalue cell_hit charged freq_cell freq_hypo freq_intra
>> gene_id gene_name hydrophobic hypo_evalue hypo_hit log_cell log_hypo
>> log_pfam num_cell num_genes operon_id outcome pfam_align pfam_evalue
>> pfam_per_id polar position target total_length
>>
>
> It appears you are attaching it multiple times, and never detaching it. So
> the most recent one masks an earlier one.
>
> This is a very easy error to make, which is one reason I always discourage
> this kind of use of attach(). (There are other common errors associated
> with it too. Just don't use it.)
>
> Duncan Murdoch
>
--
Sincerely,
Changbin
--
Changbin Du
DOE Joint Genome Institute
Bldg 400 Rm 457
2800 Mitchell Dr
Walnut Creet, CA 94598
Phone: 925-927-2856
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