[R] Scale of axis for two data sets

[John Kane]

Still looks like a constant to me :) I think I see what you mean though. It's just that representation of the numbers in the email don't show any difference.  

Personally I think I'd go with a two panel graph using par() rather than a double-axis graph if you can. Everything I have read about double-axis graphs is  rather negative. However, I know they are standard in some disciplines.

John Kane
Kingston ON Canada

-----Original Message-----
From: mohan.radhakrishnan at polarisft.com
Sent: Tue, 27 Aug 2013 17:08:51 +0530
To: jrkrideau at inbox.com
Subject: RE: [R] Scale of axis for two data sets

It is not a constant but changes very slowly. Actually it should be like this. 

Kbytes                    RSS                   rNo 
2687188        1287532        1 
2687188        1287532        2 
2687188        1287536        3 
2687188        1287540        4 
2687188        1287640        5 
2687188        1287640        6 

Thanks, 
Mohan 

From:        John Kane <jrkrideau at inbox.com> 
To:        mohan.radhakrishnan at polarisft.com, r-help at r-project.org 
Date:        08/27/2013 04:57 PM 
Subject:        RE: [R] Scale of axis for two data sets 

I am misreading something here I think. Why are you graphing against a constant?

 John Kane
 Kingston ON Canada

 > -----Original Message-----
 > From: mohan.radhakrishnan at polarisft.com
 > Sent: Tue, 27 Aug 2013 13:28:48 +0530
 > To: r-help at r-project.org
 > Subject: [R] Scale of axis for two data sets
 > 
 > Hi,
 > 
 > Kbytes                     RSS                         rNo
 > 
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1450876 1433788
 > 2689632 1460168 1443084
 > 
 > 
 > 
 > plot(data$rNo,data$RSS,pch=0,type="b",col=36,axes=FALSE,  ylab="",
 > xlab="",las=2,lwd=2.5)
 > title(" PID - 23512 / pmap Data Analysis for 1
 > hour",cex.main=3,xlab="Seconds", ylab="Kbytes ", cex.lab=3,1)
 > 
 > axis(side=1, at=seq(0, max(data$rNo), by=5), cex.axis=1.7)
 > axis(side=2, at=seq(0, max(data$Kbytes ), by=1000), cex.axis=1.7)
 > 
 > This code plots Kbytes against rNo.
 > 
 > I tried to combine this with the plot of RSS against rNo. It looks like
 > with the same scale in the y-axis(Kbytes) the second graph(RSS/rNo)
 > doesn't show plots properly. It seems like the second plot draws properly
 > but doesn't match the y-axis scale.
 > 
 > IfI separate the plots into two 'R' files I get it correctly.
 > 
 > How do I used the same y-axis scale(Kbytes) but also plot RSS against
 > rNo.
 > Hope I am not confusing this.
 > 
 > Thanks,
 > Mohan
 > 
 > 
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