Hi
r-help-boun...@r-project.org napsal dne 25.02.2010 07:37:44: > > Hello helpful R folks, > > First off, please forgive my English. Second, I'm new with R, I've > searched the archives about subsets, and I haven't found quite the help I > need. > > I'm currently analysing a population survey whose data set has about 15000 > households (the rows/observations) and 130 variables (the columns). I've > managed to import the set into R as a data.frame called eu08. Now, I'm > trying to look at all of the variables, but limited to one province in the > "region" variable. I think the provinces are factors, and the province of > interest is labeled '3'. > I've tried the following: > > region3=subset(eu08, region==3) This shall work. What really are values of region? What does str(eu08$region) tell you about it? If it is really factor, what are really its levels? What does level(eu08$region) show? Regards Petr > --this simply strips all of the rows from the columns, and I know that about > 4000 of the observations are specific to region 3. So does putting the 3 as > '3' and "3". > > Any help would be greatly appreciate. > > -- > View this message in context: http://n4.nabble.com/Subset-Question- > tp1568555p1568555.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.