R-beta: more glm bugs

Jim Lindsey (jlindsey@luc.ac.be)
Mon, 26 Jan 1998 08:49:17 +0100 (MET)


From: Jim Lindsey <jlindsey@luc.ac.be>
Message-Id: <9801260749.AA11322@alpha.luc.ac.be>
Subject: R-beta: more glm bugs
To: r-help@stat.math.ethz.ch (r-help)
Date: Mon, 26 Jan 1998 08:49:17 +0100 (MET)

  1. At least on my computer, fitting a saturated gamma model with glm
gives a core dump:
glm(rgamma(20,1,1)~gl(20,1,20), family=Gamma)
  2. Factor variables are not vectors!!
is.vector(gl(20,2,40)) gives FALSE
  Jim

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