Date: Wed, 8 Oct 2003 08:08:19 -0400
Reply-To: "Will Bailey [Statman]" <email@example.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: "Will Bailey [Statman]" <firstname.lastname@example.org>
Subject: Re: missing data in AnswerTree
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Sarah, I agree, this is a frustrating feature. Not sure, but I think the
only way to exclude missing values is altering the split or via database
capture where you can specify inclusions. However, for the latter I don't
need to use and it is limited.
If you find another way do let us know.
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From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of
Sent: Tuesday, October 07, 2003 5:10 PM
Subject: missing data in AnswerTree
For those of you who use AnswerTree, do you know a way to exclude missing
data within AnswerTree? I don't want to do a listwise deletion on the input
data file but only on the variables which exist in a particular tree. The
default seems to be to treat missing as a separate category within any
variable, which is leading to some anomalous results.
Sarah Boslaugh, PhD
Health Communication Research Laboratory
St. Louis University School of Public Health
3545 Lafayette Ave., 4th floor
St. Louis, MO 63104
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