[R] Plotting barplot and scatterplot on same device - x-axis problem

From: Thomas Pedersen <tp85_at_dsr.kvl.dk>
Date: Fri, 20 Jun 2008 01:39:39 -0700 (PDT)

Hi R-users

I'm a relative newbie and uses R mostly for graphical purpose. I have a layout problem when plotting a scatterplot and a barplot using par(new=TRUE). The baseline of the x-axis is not positioned equal for the two plotting functions (see picture) and I have been unable to find out how this is changed.

http://www.nabble.com/file/p18025066/pic.jpeg

I have added the script if this is of interrest:

par(mar = c(7, 4, 4, 2) + 0.1)

barplot(rbind(data$Asn,data$Glu,data$NH3),  beside=T,

 axes=TRUE,
 xlim=c(0,57),
 ylim=c(0,10))

par(new=TRUE)

plot(1:14,data$Acidification.time,

 axes=FALSE,
 type="b",
 xlab="",
 ylab="",
 xlim=c(0.3,14.7),
 ylim=c(6,8))

axis(1,pos=6,
 labels=FALSE,
 at=c(0.3,1:14,14.7))

text(1:14, par("usr")[3], srt = 90, adj = 1,  labels = data$Month, xpd = TRUE)

axis(4,pos=14.7)

All help will be greatly appreciated

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Received on Fri 20 Jun 2008 - 11:59:09 GMT

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