[R] A rebel boxplot question

Tue Oct 9 10:17:23 CEST 2007

Sorry, but I can't help you with your problem isntalling ggplot2. I'm a
WinXP user and have no experience with R on Linux. Maybe Hadley Wickam
could help you out on this one.

Cheers,

Thierry

------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium
tel. + 32 54/436 185
Thierry.Onkelinx op inbo.be
www.inbo.be 

Do not put your faith in what statistics say until you have carefully
considered what they do not say.  ~William W. Watt
A statistical analysis, properly conducted, is a delicate dissection of
uncertainties, a surgery of suppositions. ~M.J.Moroney

> -----Oorspronkelijk bericht-----
> Van: r-help-bounces op r-project.org 
> [mailto:r-help-bounces op r-project.org] Namens p.valdes op arsystel.com
> Verzonden: maandag 8 oktober 2007 18:42
> Aan: S.Ellison op lgc.co.uk
> CC: r-help op r-project.org
> Onderwerp: Re: [R] A rebel boxplot question
> 
> Thanks to all for the answers
> 
> -----------
> Thierry : a very interesting answer... but I'm still trying 
> to figure how to install ggplot2 :-)
> 
> install.packages("ggplot")
> Warning in install.packages("ggplot2") : argument 'lib' is 
> missing: using '...R/i486-pc-linux-gnu-library/2.5'
> 
> ??
> 
> also installing the dependency 'colorspace' OK
> 
> ....
> .gzip: /tmp/Rtmpl8LWFh/downloaded_packages/ggplot2_0.5.5.tar.gz:
> unexpected end of file
> tar: Unexpected EOF in archive
> tar: Unexpected EOF in archive
> tar: Error is not recoverable: exiting now .. 3: installation 
> of package 'ggplot2' had non-zero exit status in: 
> install.packages("ggplot2")
> 
> 
> --------------------------------
> R.version()  says:
> 
> arch           i486
> os             linux-gnu
> system         i486, linux-gnu
> status
> major          2
> minor          5.1
> year           2007
> month          06
> day            27
> svn rev        42083
> language       R
> version.string R version 2.5.1 (2007-06-27)
> 
> My OS is a Linux Debian Sid
> 
> 
> 
> -----------
> S. Ellison wrote >> specifying at= for both plots might help.
> 
> Ellison, I take a look to the opcion "at" but I can not 
> understand reading the documentation how to use this option.
> 
> for instance:
> 
> month <-c( 1, 2, 3, 4, 5, 6, 7,8,9,10,11,12)
> y     <-c( 1, 1, 1, 4, 4, 4, 4,4,1, 3, 3, 3)
> z     <-c( 1,    3, 4, 5, 6, 7,8,9,10,11,12)
> 
> boxplot(y  ~  month, add=F, at= 1:12) #OK, now lets try to 
> overlap the second plot
> 
> boxplot(y  ~  month, add=T, at= 1:12)                         
> #Error in
> model.frame(... variable lengths differ (found for 'month') 
> boxplot(y  ~
>  month, add=T, at= 1:11)                         #Error in
> model.frame... variable lengths differ (found for 'month') 
> boxplot(y  ~
> month, add=T, at= 1,3,4,5,6,7,8,9,10,11,12)     #Error in 
> model.frame...
> variable lengths differ... boxplot(y  ~  month, add=T, at=
> c(1,3,4,5,6,7,8,9,10,11,12))  #Error in model.frame... 
> variable lengths differ...
> 
> 
> ???
> 
> Another try
> 
>  1/12 =  0.08333333
> 
> boxplot(y  ~  month, add=T, at= 0.0833333) #Error in 
> bxp(list(stats = c(20, 20, 20, 20, 20, 0, 0, 0, 0, 0, 20, 20,  :
>         'at' must have same length as 'z$n', i.e. 12 
> boxplot(y  ~  month, add=T, at= 12)  #same error ... 'at' 
> must have same length as 'z$n', i.e. 12
> 
> Glups. :-}
> And now what?
> 
> Pablo Valdes
> 
> 
> >>>> <p.valdes op arsystel.com> 04/10/2007 16:39:41 >>>
> > Dear R list members
> > I am trying to improve a boxplot with 2 data sets. I run somethinkg 
> > like
> >
> > boxplot(data1 ~ month, add=F, col = "red", ...)
> > boxplot(data2 ~ month, add=T, col = "blue", ...)
> >
> > The problem is that the data from February are missing for 
> data2, so R 
> > think that must take little more space between the data classes in 
> > data 2 and then both data gropus are not aligned. In the R 
> > documentation I do not find any posile solution for tell R 
> that I want 
> > reserve a extra space for this month, So the boxplot is 
> erroneous and 
> > the x axis have a strange numeration
> >
> > 1 2 3 4 54 65 76 ... etc
> >
> >  I would be grateful if anyone could suggest how to tell R That the 
> > boxplots must be fitted to the same x class in both data groups. To 
> > make a false data group with a 0 valor for february is not 
> aceptable 
> > in this case
> >
> > Sincerely
> > Pablo Valdes
> >
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