[R] Adding line plot to a barplot

[Greg Snow]

Instead of using par(new=T), use the lines function instead of plot to add to an existing plot.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Nadine Kilsby
> Sent: Sunday, January 31, 2010 11:41 PM
> To: r-help at r-project.org
> Subject: [R] Adding line plot to a barplot
> 
> Hi,
> I am trying to add a line plot of barplot, and while the following
> script
> works:
> 
> barplot(DATA1,bty='c')
> par(new=T)
> plot(DATA2,type="l",axes=F,xlab="",ylab="",bty='c')
> axis(4)
> 
> for some reason the y axis' do not align (the 0s are not in the same
> position). Is this because I am trying to overlay plot on barplot, and
> is
> there any way around this?
> Thanks,
> Nadine
> 
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