Hello John, I apologize for the delayed response. Yes I am referring to the same type of data in the data sets. For example, the arsenic concentrations in individual groundwater monitoring wells at a groundwater contaminated site, where one well may have 12 concentration measurements, another well has 10, etc.
Thanks Janh On Fri, Mar 22, 2013 at 5:31 PM, John Kane <jrkrid...@inbox.com> wrote: > Hi Janh, > > When you say that you have "multiple data sets of unequal sample sizes" > are you speaking of the same kind of data" For example are you speaking of > data from a set of experiments where the variables measured are all the > same and where when you graph them you expect the same x and y scales? > > Or are you talking about essentilly independent data sets that it makes > sense to graph in a grid ? > > > John Kane > Kingston ON Canada > > > > -----Original Message----- > > From: annij...@gmail.com > > Sent: Fri, 22 Mar 2013 10:46:21 -0400 > > To: dcarl...@tamu.edu > > Subject: Re: [R] boxplot > > > > Hello All, > > > > On the subject of boxplots, I have multiple data sets of unequal sample > > sizes and was wondering what would be the most efficient way to read in > > the > > data and plot side-by-side boxplots, with options for controlling the > > orientation of the plots (i.e. vertical or horizontal) and the spacing? > > Your > > assistance is greatly appreciated, but please try to be explicit as I am > > no > > R expert. Thanks > > > > Janh > > > > > > > > On Thu, Mar 21, 2013 at 9:19 AM, David L Carlson <dcarl...@tamu.edu> > > wrote: > > > >> Your variable loc_type combines information from two variables (loc and > >> type). Since you are subsetting on loc, why not just plot by type? > >> > >> boxplot(var1~type, data[data$loc=="nice",]) > >> > >> ---------------------------------------------- > >> David L Carlson > >> Associate Professor of Anthropology > >> Texas A&M University > >> College Station, TX 77843-4352 > >> > >>> -----Original Message----- > >>> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > >>> project.org] On Behalf Of Jim Lemon > >>> Sent: Thursday, March 21, 2013 4:05 AM > >>> To: carol white > >>> Cc: r-h...@stat.math.ethz.ch > >>> Subject: Re: [R] boxplot > >>> > >>> On 03/21/2013 07:40 PM, carol white wrote: > >>>> Hi, > >>>> It must be an easy question but how to boxplot a subset of data: > >>>> > >>>> data = read.table("my_data.txt", header = T) > >>>> boxplot(data$var1[data$loc == "nice"]~data$loc_type[data$loc == > >>> "nice"]) > >>>> #in this case, i want to display only the boxplot loc == "nice" > >>>> #doesn't display the boxplot of only loc == "nice". It also displays > >>> loc == "mice" > >>>> > >>> Hi Carol, > >>> It's them old factors sneakin' up on you. Try this: > >>> > >>> boxplot(data$var1[data$loc == "nice"]~ > >>> as.character(data$loc_type[data$loc == "nice"])) > >>> > >>> Jim > >>> > >>> ______________________________________________ > >>> 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. > >> > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > 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. > > ____________________________________________________________ > FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! > Check it out at http://www.inbox.com/earth > > > [[alternative HTML version deleted]] ______________________________________________ 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.
