Re: [R] Plotting three time series on the same graph

From: <tolga.i.uzuner_at_jpmorgan.com>
Date: Mon, 30 Jun 2008 13:00:59 +0100


Hi Romain,

Many thanks for this example as well.

Tolga

Romain Francois <rfrancois_at_mango-solutions.com> 30/06/2008 12:33

To
tolga.i.uzuner_at_jpmorgan.com
cc
r-help_at_r-project.org
Subject
Re: [R] Plotting three time series on the same graph

Hello Tolga,

Further hacking on par(mar) leads me to the code below. I hope it can help you.

Cheers,

Romain

y <- 1:100 + runif( 100, min = -10, max = 10 )
x <- 1000 + 1:100 + runif( 100, min = -10, max = 10 )
z <- seq( 70000, 25000, length.out = 100) + runif( 100, min = -2000, max 
= 2000)

.myLines <- function(x,y, col = "blue", lwd = 2, ...){   lines( x,y,col = "black", lwd=2 + lwd)   lines( x,y,col = col, lwd=lwd, ...)
}

transform <- function( data, n = 5, lim = range(data) ){

  scaledData    <- ( data - lim[1] )  / ( lim[2] - lim[1] )
  tickMarks     <- pretty( data, n = n )
  tickPositions <- ( tickMarks - lim[1] )  / ( lim[2] - lim[1] )
  list( scaledData = scaledData, tickMarks = tickMarks, tickPositions = tickPositions )
}

par( mar = c(5,4,4,8)+.1 )
plot( 0, 0 , type = "n", las = 1, ylim = c(0,1), xlim = c(0,100), ann = F, axes=F )

x.tr <- transform(x)
y.tr <- transform(y)
z.tr <- transform(z)

# first draw the lines

.myLines( 1:100, x.tr$scaledData , col = "red" )
.myLines( 1:100, y.tr$scaledData , col = "blue" )
.myLines( 1:100, z.tr$scaledData , col = "green" )

axis(1)
box()

# then the axis
axis( 4, x.tr$tickPositions, x.tr$tickMarks, col = "red", col.axis = "red" )

par( mar = par("mar") - c(0,0,0,2.5) )
axis( 4, y.tr$tickPositions, y.tr$tickMarks, col = "blue", col.axis = "blue" )

par( mar = par("mar") - c(0,0,0,2.5) )
axis( 4, z.tr$tickPositions, z.tr$tickMarks, col = "green", col.axis = "green" )

tolga.i.uzuner_at_jpmorgan.com wrote:
>
> Thanks Romain for trying to help, but my issue is that I have three
> time series, not two, so at least two of them would have to go on the
> same side.
>
> There may be no solution to this problem in R but if there is, would
> appreciate hearing about it from someone ?
>
> Figure 1 in this link shows what I am trying to achieve:
> http://www.aditus.nu/jpgraph/howto04.php
>
> Thanks anyway,
> Tolga
>
>
>
> *Romain Francois <rfrancois_at_mango-solutions.com>*
>
> 30/06/2008 10:51
>
>
> To
> tolga.i.uzuner_at_jpmorgan.com
> cc
> Matt Aldridge <maldridge_at_mango-solutions.com>
> Subject
> Re: [R] Plotting three time series on the same graph
>
>
>
>
>
>
>
>
>
> Hello Tolga,
>
> I am not sure what you are looking for is achievable easily, however,
> you can have an axis on the left and another on the right. Look at the
> side argument of the axis function. Would the following code work for
you:
>
> # generating some data
> y <- 1:100 + runif( 100, min = -10, max = 10 )
> x <- 1:100 + runif( 100, min = -10, max = 10 )
> z <- seq( 70000, 25000, length.out = 100) + runif( 100, min = -2000, max
> = 2000)
>
> # prettier version of lines
> .myLines <- function(x,y, col = "blue", lwd = 2, ...){
> lines( x,y,col = "black", lwd=2 + lwd)
> lines( x,y,col = col, lwd=lwd, ...)
> }
>
> # transform from the scale c(25000,70000) to (0,100)
> transform <- function( data ){
> ( data - 25000 ) / ( 70000 - 25000 ) * 100
> }
>
> par( mar = c(5,4,4,4)+.1 )
> plot( 1:100, x , type = "n", las = 1 )
> axs <- pretty( c(25000, 70000), n = 5 )
> abline( h = transform(axs), col = "gray")
> .myLines( 1:100, x, col = "red" )
> .myLines( 1:100, y, col = "blue" )
> .myLines( 1:100, transform(z), col = "green" )
> axis( 4, transform(axs), axs, las = 1 )
>
> Best Regards,
>
> Romain Francois
>
> --
> Mango Solutions
> data analysis that delivers
>
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>
>
> tolga.i.uzuner_at_jpmorgan.com wrote:
> > Dear R Users,
> >
> > I would like to plot three time series on the same graph, two axis
> on the
> > left and one axis on the right.
> >
> > The time series that I am graphing on the left do not share a similar
> > scale: one has a range of 1:100 and the other a range of

> 25000:70000. How
> > can I display the tick marks for both on the left hand side without
> > superimposing them, i.e. one set of tick marks in black right up on
the
> > edge of the plot and another set of tick marks in red placed further
to
> > the left so that the tick marks and axis identifiers do not sit on
> top of
> > each other ?
> >
> > Many thanks in advance,
> > Tolga
> >
>
>
> [attachment "plot3timeseries.png" deleted by Tolga I Uzuner/JPMCHASE]
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-- 
Mango Solutions
data analysis that delivers

Tel:  +44(0) 1249 76 77 00
Fax:  +44(0) 1249 76 77 07
Mob:  +44(0) 7813 52 61 23




Generally, this communication is for informational purposes only
and it is not intended as an offer or solicitation for the purchase
or sale of any financial instrument or as an official confirmation
of any transaction. In the event you are receiving the offering
materials attached below related to your interest in hedge funds or
private equity, this communication may be intended as an offer or
solicitation for the purchase or sale of such fund(s).  All market
prices, data and other information are not warranted as to
completeness or accuracy and are subject to change without notice.
Any comments or statements made herein do not necessarily reflect
those of JPMorgan Chase & Co., its subsidiaries and affiliates.

This transmission may contain information that is privileged,
confidential, legally privileged, and/or exempt from disclosure
under applicable law. If you are not the intended recipient, you
are hereby notified that any disclosure, copying, distribution, or
use of the information contained herein (including any reliance
thereon) is STRICTLY PROHIBITED. Although this transmission and any
attachments are believed to be free of any virus or other defect
that might affect any computer system into which it is received and
opened, it is the responsibility of the recipient to ensure that it
is virus free and no responsibility is accepted by JPMorgan Chase &
Co., its subsidiaries and affiliates, as applicable, for any loss
or damage arising in any way from its use. If you received this
transmission in error, please immediately contact the sender and
destroy the material in its entirety, whether in electronic or hard
copy format. Thank you.
Please refer to http://www.jpmorgan.com/pages/disclosures for
disclosures relating to UK legal entities.
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