Hi r-help-boun...@r-project.org napsal dne 20.10.2010 17:43:27:
> > str(species.factor) > > Factor w/ 81 levels "Acer_platanoides_Bl",..: 12 12 55 55 76 76 52 52 > > 67 67 ... > > > > str(minmax) > > int [1:162] 6163779 7262127 6163779 7422941 6163779 6644861 6163779 > > 6644861 6163779 7262127 ... > > That is, my factor is the species listed two times each > Acer_platanoides_Bl Acer_platanoides_Bl Sorbus_aucuparia_Bl > Sorbus_aucuparia_Bl..... more species > > and minmax lists min_sp1 max_sp1 min_sp2 min_sp2...... > > Here an image of my plot (with more elements included, but you can see > the black squares in the centers of each box...) This is not a black square, it is line which indicates median, which is to be expected in a boxplot. If you really want to remove it use medlty=0 in your plot call as indicated in bxp help page. Regards Petr > > http://img51.imageshack.us/img51/9011/plott.jpg > > Jonas > > > 2010-10-20 17:14, David Winsemius skrev: > > On Oct 20, 2010, at 10:45 AM, fugelpitch wrote: > > > >> I have a factor which is species and the variables are a few sites > >> where this > >> species live. > >> > >> When I plot: > >> > >> plot(species.factor, minlatitudemaxlatitude) > >> > >> the plot produced is automatically a boxplot which shows the range of > >> the > >> species (which is what I want). > > > > This fact (a boxplot from the "plot" function) suggests that the > > objects you are plot()-ting are of some class for which there is a > > specific plot method. What do these commands return: > > > > str(species.factor) > > str(minlatitudemaxlatitude) # ? > > > > > >> However, in the thin box which is produced by each species, there is > >> a small > >> black square in "center position" of the box. Is it possible to > >> remove this. > >> Have tried to include bxp(par(medpch=NA)) without success. > >> > >> Thanks! > >> > >> Jonas Josefsson > > > > David Winsemius, MD > > West Hartford, CT > > ______________________________________________ > 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.