[R] two questions about PLOT

[Jannis]

I would wote this question one of the most often asked questions here on 
that list ;-). Try searching the help archiwe (www.rseek.org) and you 
will find solutions. I would guess that you need to use something like:

axis(4)

as the sides of the plot are always numbered from bottom,left,top,right

HTH
Jannis
Jie TANG schrieb:
> here ,I want to plot two lines in one figure.But I have two problems
> 1) how to move one of the y-axis to be the right ? I tried to the
> command"axis(2)",But I failed.
> 2) how to add the axis information correctly.Since I have use the cmommand
> "axis(1,at=1:6,labels=gradeinfo$gradenam)"
>    but it seems that the correct information that I want is superposition
> with the old axis information.What can i do ?
> the script and figure is shown as below .thanks .:)
>
> outflnm<-paste(Outdic,"meansd.jpg",sep="/")
> jpeg(file=outflnm, bg="transparent")
> legend<-c("average error","stand quare error")
> lgcol<-c("black","red1")
> par(las=1)
> yylab<-c("forecast error")
> xxlab<-c("typhoon class")
> llty<-c(1,3)
> llwd<-c(4,4)
> #par(bg='yellow')
>
>
> plot(avegrp,type='l',lty=1,col='black',lwd=4,xlab=xxlab,ylab=yylab)
> par(new=T)
> plot(sdgrp,type='l',lty=3,col='red1',xlab=xxlab,ylab=yylab,lwd=4)
> #axis(2, col = "gold", lty = 2, lwd = 0.5)
> legend("topright", legend,   lty=llty, lwd=llwd,col =lgcol)
> axis(1,at=1:6,labels=gradeinfo$gradenam)
> dev.off()
>
>   
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