Re: [R] factor level issue after subsetting

2011-11-01 Thread Schreiber, Stefan
Biologist Department of the Interior US Fish & Wildlife Service California, USA http://www.fws.gov/redbluff/rbdd_jsmp.aspx From: "Schreiber, Stefan" To: r-help@r-project.org Sent: Tuesday, November 1, 2011 2:28 PM Subje

Re: [R] factor level issue after subsetting

2011-11-01 Thread Felipe Carrillo
e Interior US Fish & Wildlife Service California, USA http://www.fws.gov/redbluff/rbdd_jsmp.aspx From: "Schreiber, Stefan" >To: r-help@r-project.org >Sent: Tuesday, November 1, 2011 2:28 PM >Subject: [R] factor level issue after subsetting > >Dear list, > >I cannot

Re: [R] factor level issue after subsetting

2011-11-01 Thread Justin Haynes
first of all, the subsetting line is overly complicated. dat.sub<-dat[dat$treat!='cont',] will work just fine. R does exactly what you're describing. It knows the levels of the factor. Once you remove 'cont' from the data, that doesn't mean that the level is removed from the factor: > df<-dat

Re: [R] factor level issue after subsetting

2011-11-01 Thread Nordlund, Dan (DSHS/RDA)
> -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Schreiber, Stefan > Sent: Tuesday, November 01, 2011 2:29 PM > To: r-help@r-project.org > Subject: [R] factor level issue after subsetting > > Dear li

[R] factor level issue after subsetting

2011-11-01 Thread Schreiber, Stefan
Dear list, I cannot figure out why, after sub-setting my data, that particular item which I don't want to plot is still in the newly created subset (please see example below). R somehow remembers what was in the original data set. A work around is exporting and importing the new subset. Then it's