I have read the contour help.  I guess what I am asking is how to transform
my data into a form that contour (or maybe some other  functions?) so I can
contour my x,y,z data.  I know I can do it in SyStat.  I'm hoping that R
would allow me to do something like this.

Bob



On Thu, Jun 26, 2008 at 11:24 AM, Bert Gunter <gunter.berton@gene.com>
wrote:

> Please **READ** ?contour. x and y are the location of grid lines, z must be
> a matrix. Your data are **not** of that form.
>
> Bert Gunter
>
> -----Original Message-----
> From: r-help-bounces@r-project.org [mailto:r-help-bounces@r-project.org]
> On
> Behalf Of Bob and Deb
> Sent: Thursday, June 26, 2008 11:01 AM
> To: r-help@r-project.org
> Subject: [R] using contour() with x,y,z data?
>
> Hello list,
>
> I'm new to R and I have a problem :-)  Below is what my data file that
> looks
> like.  I tried to import and contour this data by doing this:
>
>   cv_data <- read.table("cv_data.csv",sep=",",header=TRUE)
>   attach(cv_data)
>   contour(x,y,z)
>
> I get the error "Error in contour.default(x,y,z) : increasing 'x', and 'y'
> values expected"  I can see that y is not increasing, but I don't know how
> to get this to work.
>
> Thanks in advance for any help.
>
> Bob
> =========================================================
> x,   y,   z
> 10, 0.1, 3
> 10, 0.2, 7
> [snip]
> 10,1.0,5
> 20,0.1,12
> 20,0.2,4
>
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>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>

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