[R] lda in R vs S
Marc R. Feldesman
feldesmanm at pdx.edu
Fri May 7 01:25:06 CEST 1999
At 01:08 AM 5/7/1999 +0200, Peter Dalgaard BSA wrote:
>Prof Brian Ripley <ripley at stats.ox.ac.uk> writes:
>> > >
>> > > /* Sanity checks to ensure that the the answer can become */
>> > > /* a data frame. Be deeply suspicious here! */
>> > >
>> > Deeply suspicious of what?
>> Of things that look like factors? (I don't know, I didn't write this.)
>I believe that is a very old comment (probably by Ross)... I think
>that the point is that there are cases that are easily overlooked,
>such as the fact that a "column" of a data frame can actually be a
>The important thing that gets ruled out is string vectors (whether
>or not that is a good idea...), which is probably exactly what Marc F.
>has where he thinks he has a factor.
No actually I *had* a factor.
This is why I was perplexed by the behavior after Brian suggested the
Dr. Marc R. Feldesman
email: feldesmanm at pdx.edu
email: feldesman at ibm.net
"Math is hard. Let's go to the mall" Barbie
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