Re: [R] Problem with scatterplot3d example

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Thu, 24 Jul 2008 08:24:03 -0400

On 7/24/2008 8:02 AM, Tom La Bone wrote:
> I tried to run the following example from section 4.1.4 of the "Scatterplot3d
> -
> an R package for Visualizing Multivariate Data" vignette and got an error on
> the part that plots the regression plane:
>

>> library(scatterplot3d)
>> data(trees)
>> s3d <- scatterplot3d(trees, type = "h", color = "blue",

> + angle = 55, scale.y = 0.7, pch = 16, main = "Adding elements")
>> my.lm <- lm(trees$Volume ~ trees$Girth + trees$Height)
>> s3d$plain3d(my.lm)

>
> Error: attempt to apply non-function
>
>> s3d$points3d(seq(10, 20, 2), seq(85, 60, -5), seq(60, 10, -10),

> + col = "red", type = "h", pch = 8)
>
> Any ideas on what I need to change in order to get the plane to plot?

You need to correct the spelling error: you want plane3d, not plain3d.

(This typo is in the vignette; I'm surprised it didn't get caught automatically.)

Duncan Murdoch



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