[R] Simple - Finding vector in a vector
ichmagspam at googlemail.com
Mon Oct 8 15:12:24 CEST 2012
Perfect! Thanks!! :)
2012/10/8 Rui Barradas <ruipbarradas at sapo.pt>:
> See ?rle
> Hope this helps,
> Rui Barradas
> Em 08-10-2012 13:55, Mike Spam escreveu:
>> just a simple question.
>> Assumed i have a vector,
>> FALSE TRUE TRUE TRUE FALSE TRUE FALSE TRUE FALSE
>> NA 1 1 1 NA 1 NA 1 NA
>> what i need is the position where an element is the same - three (or
>> in general multiple) times in a row.
>> in this case: i want to get the position where it is TRUE TRUE TRUE or 1 1
>> it doesn't matter if it is the first, middle or last element. So the
>> output could be 2 or 3 or 4
>> My idea would be to lag the vector and calc differences... but i would
>> prefer any build in (or time saving) function. :)
>> R-help at r-project.org mailing list
>> PLEASE do read the posting guide
>> and provide commented, minimal, self-contained, reproducible code.
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