[R] removed data is still there!

[David Winsemius]

On Sep 21, 2010, at 8:39 AM, pdb wrote:

>
> Thanks, but that was what I just discovered myself the hard way.
>
> What I really wanted to know was how to solve this issue.

Although that was _not_ what you requested in your first post.

2 options:

?table

?factor

iris1$Species <-factor(iris$Species) # removes "extraneous" levels

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-- 
David Winsemius, MD
West Hartford, CT