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
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> > PLEASE do read the posting guide http://www.R-project.org/posting-
> > guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
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>

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