[R] perspective plot

[Greg Snow]

The persp function expects z to be a matrix, so you could reshape your data so that z is a matrix (the reshape function or package may help).  Or the wireframe function in the lattice package expects data more like what you show, that may be the easiest solution.

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Mauro
> Sent: Thursday, May 05, 2011 10:09 AM
> To: r-help at r-project.org
> Subject: [R] perspective plot
> 
> Hello,
> 
> I`m tryint to plot some variable over x and y coordinate, but can`t
> figure
> out hot to do it ( I could do a simple scatterplot3d, but there I can`t
> change the viewing angle).
> 
> My dataset looks something like this (dataframe):
> 
>         X       Y       Q95
> 21 2628711 1104437 0.7723994
> 22 2628721 1104437 0.5961789
> 23 2628731 1104437 1.2013182
> 24 2628741 1104437 1.3468632
> 25 2628751 1104437 1.1035517
> 26 2628761 1104437 1.0528809
> 
> Is there a way to plot Q95 over x and y? Something like persp(x,y,z)
> would
> be nice, but can`t figure out the right input format for this function.
> 
> 
> Thanks a lot,
> 
> Mauro
> 
> --
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