Re: [R] Adding average into a matplot?

From: <Bill.Venables_at_csiro.au>
Date: Fri, 11 Apr 2008 10:44:06 +1000

Dear Kingfisher,

Try this.

X <- as.matrix(read.table(textConnection("  500 500 500 500
 516 519 509 508
 559 573 556 566
 613 650 611 633
 676 714 667 716
 751 808 742 809
 816 890 823 879")))  

Year <- 2000 + 1:7

matplot(Year, X, type = "l", pch = 3, col = "grey") lines(Year, rowMeans(X), col = "red", lwd = 2)  

Bill Venables
CSIRO Laboratories
PO Box 120, Cleveland, 4163
AUSTRALIA

Office Phone (email preferred): +61 7 3826 7251
Fax (if absolutely necessary):  +61 7 3826 7304
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mailto:Bill.Venables_at_csiro.au
http://www.cmis.csiro.au/bill.venables/

-----Original Message-----
From: r-help-bounces_at_r-project.org [mailto:r-help-bounces_at_r-project.org] On Behalf Of -Halcyon-
Sent: Friday, 11 April 2008 1:06 AM
To: r-help_at_r-project.org
Subject: [R] Adding average into a matplot?

Hi all,

I have a matrix which is filled with simulation results for several years.
Example of an output (7 years, 4 simulations):

     [,1] [,2] [,3] [,4]
[1,] 500 500 500 500
[2,] 516 519 509 508
[3,] 559 573 556 566
[4,] 613 650 611 633
[5,] 676 714 667 716
[6,] 751 808 742 809
[7,] 816 890 823 879

My matplot gives me 4 lines, but I would like to add a line with the averages of each year for all simulations. Can anyone help me with this?

Thanks in advance!

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Received on Fri 11 Apr 2008 - 00:52:57 GMT

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