[R] Axis trouble

David Winsemius dwinsemius at comcast.net
Tue May 3 16:10:39 CEST 2011


On May 3, 2011, at 6:12 AM, swaraj basu wrote:

> Hello Everyone,
>                          I am having problem in defining specific  
> axis for
> plotting a vactor.
>
>                         vecAVG <- c(0.2, 0.4, 0.6, 0.2, 0.4)
>
> names(vecAVG)<-c("brain","heart","kidney","lung","blood")
>
>
>                         par(mar=c(12,4.1,4.1, 2.1))
>
> plot 
> (sort 
> (vecAVG 
> ,decreasing 
> =TRUE),type="p",pch=19,col="darkslateblue",axes=FALSE,ann=FALSE)
>                         g_range<-range(vecAVG)
>
>                         
> axis(1,at=0:length(vecAVG),lab=names(vecAVG),las=2)
>                        axis(2, las=1, at=0:g_range[2])
>
> After these commands I am getting the graph but it does not have any  
> Y axis.
> I know I am making a silly mistake somewhere. Can someone please  
> guide me.

I am guessing the you come from a different programming planet where  
vectors go from 0 upwards. This is the problem:

at=0:length(vecAVG)

Try:
at=1:length(vecAVG)

And you should post your error messages with your code.

-- 
David Winsemius, MD
Heritage Laboratories
West Hartford, CT



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