[R] "cloud" function doesn't plot

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From: Tony Ross (ynotssor@hotmail.com)
Date: Mon 23 Jun 2003 - 16:09:20 EST 

Message-id: <BAY8-F77qhZRSIgOf9I0002bb27@hotmail.com>

Forgive me please if this has been answered previously, but the r-help
archive doesn't have a "search" capability. It's a pity, as I'm sure that
there's a wealth of informative help in there.

I am unable to get the "cloud" function to produce a fundamental 3D
scatterplot. I have a 3-column numeric matrix:

>is.matrix(sanity.MIF); is.numeric(sanity.MIF); dim(sanity.MIF);
>cloud(sanity.MIF)
[1] TRUE
[1] TRUE
[1] 2970 3
>

A blank grey graphics window is opened, but no vestige of a plot or labels
of any kind.

Can someone tell me what I am missing please? R 1.7.1 Windows2000 is new to
me, but plenty of prior S-Plus Unix experience, including the use of the
"spin" function for rotational 3D scatterplots.

Thank You for your help.

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