[R] get sub elements
Boris Steipe
boris.steipe at utoronto.ca
Sun May 10 15:03:40 CEST 2015
I think the "record number" i.e. the indices of the elements were asked for. That would be:
which(5 <= allrecords & allrecords <= 9)
Cheers,
B.
On May 10, 2015, at 7:33 AM, Rui Barradas <ruipbarradas at sapo.pt> wrote:
> Hello,
>
> You should learn about indexing in R. Read the pdf R-intro.pdf that comes with your installation of R.
>
> allrecords[5 <= allrecords & allrecords <= 9]
>
> should do it.
>
> Hope this helps,
>
> Rui Barradas
>
> Em 10-05-2015 11:00, Ragia Ibrahim escreveu:
>> Dear group
>> I have this numeric object
>> allrecords
>> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
>> 1 1 2 1 3 1 1 2 5 4 1 6 8 1 2 1 3 3 2 13 1 4 2 4 7 1 14 1 1
>> 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
>> 1 1 2 2 1 1 2 2 2 9 3 1 1 3 6 1 4 1 3 9 2
>>
>>
>> how can I extract only records between 9 and 5 values only and put the record number n a vector
>>
>> it should be vector
>> thanks in advance
>> Ragia
>>
>>
>>
>>
>> [[alternative HTML version deleted]]
>>
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>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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