On Tue, Jun 23, 2009 at 04:00:21PM +0200, Alfredo Alessandrini wrote:
> I've a vector like this:
>
> > inc
> [1] NA NA NA NA NA NA NA
> [8] NA NA NA NA NA NA NA
> [15] NA NA NA NA NA NA NA
> [22] NA NA NA NA NA NA NA
> [29] NA NA NA NA NA NA NA
> [36] NA NA NA NA NA NA NA
> [43] NA NA NA NA NA NA NA
> [50] NA NA NA NA NA NA NA
> [57] NA NA NA NA NA NA NA
> [64] NA NA NA NA NA NA NA
> [71] NA NA NA NA NA NA NA
> [78] NA NA NA NA 13.095503 10.140119 7.989186
> [85] 8.711888 7.201234 13.029250 14.430755 8.662832 8.810785 14.421302
> [92] 7.614985 7.548091 9.843389 14.977402 20.875255 7.787543 2.005056
> [99] 4.016916 3.601773 4.140390 7.241999 13.280794 18.038902 18.762169
>
> I must obtain the position of first value of the vector...
>
> In this case is 82.
>
> > inc[82]
> [1] 13.09550
which(!is.na(inc))[1]
cu
Philipp
--
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
http://webclu.bio.wzw.tum.de/~pagel/
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