[R] Histogram for grouped data in R

Yonathan (Jon) Anson anson at bgu.ac.il
Sat Jan 24 14:37:56 CET 2009


The category widths are not equal. Surely, what you mean is:

x <- c(15,25,rep(10/3,3),rep(5/5, 5))
names(x) <- c('0-10','10-20','','20-50',rep('',3), '50-100', '', '')
barplot(x,space=0, xlab='Size', ylab='Count', border = NA,
      col=c(1,2, rep(3,3), rep(4,5)))
:-)
Jon Anson


Jorge Ivan Velez wrote:

Hi,
Try this:

x<-c(15,25,10,5)
names(x)<-c('0-10','10-20','20-50','50-100')
barplot(x,space=0,xlab='Size',ylab='Count',col=1:4)

See ?barplot for more information.

HTH,

Jorge



On Fri, Jan 23, 2009 at 8:55 AM, darthgervais <darthgervais at yahoo.ca> wrote:

 > >
 > > I have grouped data in this format
 > >
 > > Size  -- Count
 > > 0-10 --  15
 > > 10-20 -- 25
 > > 20-50 -- 10
 > > 50-100 -- 5
 > >
 > > I've been trying to find a way to set this up with the proper histogram
 > > heights, but can't seem to figure it out. So any help would be much
 > > appreciated!
 > > --
 > > View this message in context:
 > > 
http://www.nabble.com/Histogram-for-grouped-data-in-R-tp21624806p21624806.html
 > > Sent from the R help mailing list archive at Nabble.com.
 > >
 > > ______________________________________________
 > > R-help at 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.
 > >

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>> ______________________________________________
>> R-help at 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.
>>
> 

-- 
Yonathan (Jon) Anson
Dept.of Social Work
Ben Gurion University of the Negev
84105 Beer Sheva, Israel.

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