[R] scatterplot3d bug??

[David Winsemius]

Not sure you can call it a bug when the help page says for angles in  
range (180, 360) that some support functions may "not work properly".


On Aug 3, 2009, at 2:12 PM, Vivek Ayer wrote:

> Hey guys,
>
> Not sure if I encountered a bug with the scatterplot3d function.
> Here's the calls I made:
>
> s3d1 <-scatterplot3d(TotLogDisttenp,TotDifftenp, TotMeasuredRSLtenp,  
> pch=16,highlight.3d=TRUE,angle=40, type="h",main="MRSL ~ LogDist +  
> Diff");
> s3d1$plane3d(fitols);

> s3d1 <- scatterplot3d(TotLogDisttenp,TotDifftenp,  
> TotMeasuredRSLtenp,pch=16, highlight. 
> 3d=TRUE,angle=130,type="h",main="MRSL~ LogDist + Diff");
> s3d1$plane3d(fitols);
> s3d1 <- scatterplot3d(TotLogDisttenp,TotDifftenp,  
> TotMeasuredRSLtenp,pch=16, highlight. 
> 3d=TRUE,angle=210,type="h",main="MRSL ~ LogDist + Diff");
> s3d1$plane3d(fitols);

  I suspect s3d1$plane3d(fitols)  uses one of the futzed functions.

> s3d1 <- scatterplot3d(TotLogDisttenp,TotDifftenp,  
> TotMeasuredRSLtenp,pch=16, highlight. 
> 3d=TRUE,angle=310,type="h",main="MRSL~ LogDist + Diff");
> s3d1$plane3d(fitols);
>
> Essentially four plots showing the data from different angles. This
> includes the fit plane. The first two graphs make sense, but for the
> latter two, the fit plane is not making sense.
>
> Take a look at the attached png.
>
> Is it a bug?

David Winsemius, MD
Heritage Laboratories
West Hartford, CT