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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