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 > > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 452-1424 (M, W, F) fax: (917) 438-0894
______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html