[R] rotate bar labels in barplot()

[Peter Alspach]

Ricardo

I suggest you modify the mar argument of par.  For example,

barplot(1:10, names=rep(paste(letters[1:26], collapse=' '), 10), las=2)

the labels won't fit with the default settings, so try:

par(mar=c(20,4,4,2))
barplot(1:10, names=rep(paste(letters[1:26], collapse=' '), 10), las=2)


There's a lot in ?par - it is worth studying closely ....

Peter Alspach


> -----Original Message-----
> From: [Ricardo Rodriguez] Your XEN ICT Team 
> [mailto:webmaster at xen.net] 
> Sent: Thursday, 3 April 2008 2:08 p.m.
> To: Peter Alspach; r-help at r-project.org
> Subject: Re: [R] rotate bar labels in barplot()
> 
> Thanks Peter,
> 
> Peter Alspach wrote:
> > Ricardo
> >
> > The las argument will allow rotation of 90 degrees:
> >
> > par(mfrow=c(2,2))
> > barplot(1:10, names=letters[1:10], las=0) barplot(1:10, 
> > names=letters[1:10], las=1) barplot(1:10, 
> names=letters[1:10], las=2) 
> > barplot(1:10, names=letters[1:10], las=3)
> >
> > If you want to do other rotation angles then it will be 
> more complicated (but not much).
> >   
> 
> 90ª will be OK. But I am afraid I will have to move to axis() anyway. 
> Look at this...
> 
> http://mire.environmentalchange.net/~webmaster/images/BarPlotLabel.png
> 
> It seems there is not enough room for labels. Even those that 
> are short enough aren't always displayed. If I use letters, 
> they do just fine. 
> Could I control this space? I am afraid that I don't 
> understand this ... 
> at the bottom of the arguments list in ?barplot or any other 
> R function :-(
> 
> Thank you so much for your help,
> 
> Ricardo
> 
> --
> Ricardo Rodríguez
> Your XEN ICT Team
> 
> 

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