From Ralph.MacNally@sci.monash.edu.au  Fri Jan 25 04:22:20 2002
From: Ralph.MacNally@sci.monash.edu.au (Ralph.MacNally@sci.monash.edu.au)
Date: Fri, 25 Jan 2002 05:22:20 +0100 (MET)
Subject: [Rd] na.action=na.omit doesn't omit in glm() (PR#1282)
Message-ID: <200201250422.FAA22830@pubhealth.ku.dk>

Full_Name: Ralph Mac Nally
Version: 1.40
OS: MacOS9x/Windows98
Submission from: (NULL) (130.194.13.180)


I'm using a simple glm in which the dependent variable may have missing data
(coded 'NA') as usual. Both the default na.action (na.omit) and explicit
'na.action=na.omit' do not seem to ignore the missing data as I expect,
generating an error to that effect (NA passed to routine). I encounter the same
problem in classic Mac and Windows98 versions, but S works alright.

What is the source/solution to this problem?

Thanks Ralph

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[Rd] na.action=na.omit doesn't omit in glm() (PR#1282)
Ralph.MacNally@sci.monash.edu.au