Hi Akhil,
in addition to Rui's post, here is a solution using lattice graphics.
tmp<-read.table(textConnection("x1 x2 x3
0 1 2
0 2 1
0 3 5
1 1 4
1 2 2
1 3 3"),header=T)
library(lattice)
contourplot(x3~x1*x2,tmp)
hth.
Am 18.07.2012 11:23, schrieb Akhil dua:
> Hello Everyone
>
> I have the data long format and I want to draw the contour plot with it
>
> x1 x2 x3
> 0 1 2
> 0 2 1
> 0 3 5
> 1 1 4
> 1 2 2
> 1 3 3
>
>
> when I am using contour(x1,x2,x3,col=heat.colors) or fill.contour
> its giving me an error that increasing x and y expected
>
>
> So please tell me what is the right function to draw contour when the data
> is not ordered and you cant order it.
>
> [[alternative HTML version deleted]]
>
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