[R] graphics - wireframe

[Greg Snow]

If you are just trying to find the best set of rotation values to view
your surface then the rotate.wireframe function in the TeachingDemos
package may help.  Unfortunately it is not currently working out of the
box (a parameter name was changed in the lattice functions, I will fix
this for version 1.6 of TeachingDemos).

You can easily fix the problem and get it working by doing:

> fix(rotate.wireframe)

Then find the line that is currently (line number 31):

wire.options$formula <- formula

And change it to 

wire.options$x <- formula

Then it should work for you.

Hope this helps,

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at intermountainmail.org
(801) 408-8111
 
 

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Bruno Churata
> Sent: Friday, April 13, 2007 8:11 AM
> To: R-help at stat.math.ethz.ch
> Subject: [R] graphics - wireframe
> 
> Hi,
> 
> I would like to know about graphics for response surface in 
> R. What are arguments for a best graphics?
> 
> thanks,
> 
> Bruno
> 
> y <-  c(66,39,43,49,58,17,-5,-40,65,7,43,-22,-31,-35,-26)
> x1 <- c(-1,1,-1,1,-1,1,-1,1,rep(0,7))
> x2 <- c(-1,-1,1,1,0,0,0,0,-1,1,-1,1,0,0,0)
> wireframe(  y ~ x1*x2  ,
> scales = list(arrows = FALSE),
> drape = TRUE, colorkey = TRUE,
> screen = list(z = 30, x = -60),  distance = .4, zoom = .8 )
> 
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