[S] NAs replacement in a factor

Zhaorong Jiao (z.jiao@qut.edu.au)
Wed, 16 Sep 1998 12:11:08 +1000 (EST)

Dear all , thank you for those who replied to my early message on NAs
replacement in a factor. I have found ways to work around my problem now.
I would like to thank the following people:
Prof Brain Ripley, Remy Vande Ven, Ken Hess, Thomas J Richards, Patrick
Connolly, Nick Ellis, Steve Wofsy, and Phil Taylor.

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