Hello all,
When I tried to plot the following two arrays in one figure with the following:
x = c(0,0,0,10,20,30)
y = c(40,50,60,70,80,90)
plot(x, type='o', ylim=c(min(x),max(x)))
par(new=T)
plot(y, type='l', ylim=c(min(y),max(y)))
Found that the first points and last points from those two arrays are
overlapping together, but the value 30 is not equal to 90. How could I draw
those two arrays in one plot with their real values shown in the plot? i.e., x
is in the lower part of the plot and y is in the upper part of the plot.
Thanks very much!
Cheers,
Rebecca
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One method is to follow correct usage of base graphics and only use the plot
function once for each plot. To overlay, use a function like points or lines.
Another approach is to use lattice graphics or ggplot2 and give the data to
higher-level plot routines that know how to plot multiple groups of data
together.
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"Yuan, Rebecca" <rebecca.yuan at bankofamerica.com> wrote:
>Hello all,
>
>When I tried to plot the following two arrays in one figure with the
>following:
>
>x = c(0,0,0,10,20,30)
>y = c(40,50,60,70,80,90)
>plot(x, type='o', ylim=c(min(x),max(x)))
>par(new=T)
>plot(y, type='l', ylim=c(min(y),max(y)))
>
>Found that the first points and last points from those two arrays are
>overlapping together, but the value 30 is not equal to 90. How could I
>draw those two arrays in one plot with their real values shown in the
>plot? i.e., x is in the lower part of the plot and y is in the upper
>part of the plot.
>
>Thanks very much!
>
>Cheers,
>
>Rebecca
>
>
>
>----------------------------------------------------------------------
>This message, and any attachments, is for the intended
>r...{{dropped:5}}
>
>______________________________________________
>R-help at r-project.org mailing list
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
Hello David, When I used the same ylim for both plots, I got what I need: x = c(0,0,0,10,20,30) y = c(40,50,60,70,80,90) plot(x, type='o', ylim=c(min(x,y),max(x,y))) par(new=T) plot(y, type='l', ylim=c(min(x,y),max(x,y))) Thanks, Rebecca -----Original Message----- From: David Winsemius [mailto:dwinsemius at comcast.net] Sent: Friday, February 01, 2013 11:39 AM To: Yuan, Rebecca Subject: Re: [R] Range difference of plot two arrays in one plot On Feb 1, 2013, at 10:28 AM, Yuan, Rebecca wrote:> Hello all, > > When I tried to plot the following two arrays in one figure with the > following: > > x = c(0,0,0,10,20,30) > y = c(40,50,60,70,80,90) > plot(x, type='o', ylim=c(min(x),max(x))) > par(new=T) > plot(y, type='l', ylim=c(min(y),max(y))) > > Found that the first points and last points from those two arrays are > overlapping together, but the value 30 is not equal to 90. How could I > draw those two arrays in one plot with their real values shown in the > plot? i.e., x is in the lower part of the plot and y is in the upper > part of the plot. >Use the same ylim for each plot? -- David Winsemius, MD Alameda, CA, USA ---------------------------------------------------------------------- This message, and any attachments, is for the intended r...{{dropped:2}}