[R] how to get the row name?
Chuck Cleland
ccleland at optonline.net
Mon Jan 30 21:36:55 CET 2006
rownames(subset(mydata, X >=0))
?rownames
Leaf Sun wrote:
> Hi R-listers,
>
> I have a simple question about a data frame.
>
> I sorted a data set by one of the variable in some condition (eg. X>=0), the followed is part of the achieved. I was wondering how can I get the row name, i. e. (1202, 2077 , 2328, 3341,... ) and save them as a vector. Thanks!
>
> Tag Species X Y Dbh3 Recr4 mort slope elevation aspect SA SR dist1 dist2 dist3
> 1202 19103 316 856.0 430.3 21 4 1 9.87 151.42 60.08 25.38 1.02 0.2236068 0.7211103 1.3601471
> 2077 29893 316 935.4 482.7 28 4 1 5.66 137.28 13.86 25.14 1.01 0.6403124 0.8944272 1.0630146
> 2328 32989 316 910.7 301.5 12 4 1 8.07 137.69 86.16 25.26 1.01 0.3000000 1.2806248 1.3038405
> 3341 45198 316 975.2 2.4 144 4 1 2.95 121.10 173.60 0.00 0.00 0.5656854 1.2727922 1.3416408
> ...
>
> Regards,
>
> Leaf
>
>
>
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>
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--
Chuck Cleland, Ph.D.
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