[R] barplot() options for intervals on axes

Chuck Cleland ccleland at optonline.net
Mon Dec 6 15:37:51 CET 2004

   Did you see the lab argument to par()?

'lab' A numerical vector of the form 'c(x, y, len)' which modifies
           the way that axes are annotated.  The values of 'x' and 'y'
           give the (approximate) number of tickmarks on the x and y
           axes and 'len' specifies the label size.  The default is
           'c(5, 5, 7)'. _Currently_, 'len' _is unimplemented_.

   You might want something like this:


Sebastien Moretti wrote:
> Hello,
> I am a beginner with R. I read many tutorials and the FAQ but I cannot solve 
> my problem. 
> I use barplot() to view my graph. I try to get more interval marks on y axis.
> I wasn't able to find options in 'help(barplot)' or 'help(par)' to do this 
> with barplot().
> I seek for another option to print y values on my bars like on the graph of 
> the R homepage: http://www.r-project.org/
> Thanks for your help.

Chuck Cleland, Ph.D.
NDRI, Inc.
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