R-beta: vector of lists

Jim Lindsey (jlindsey@luc.ac.be)
Mon, 3 Nov 1997 08:50:13 +0100 (MET)


From: Jim Lindsey <jlindsey@luc.ac.be>
Message-Id: <9711030750.AA20512@alpha.luc.ac.be>
Subject: R-beta: vector of lists
To: r-help@stat.math.ethz.ch
Date: Mon, 3 Nov 1997 08:50:13 +0100 (MET)

I am using something similar to a vector of lists in handling
unbalanced repeated measures data. Each individual has a variable
number of observations, the corresponding times, maybe a censoring
and/or nesting indicator, time-varying covariates etc. I use a list of
matrices to feed the data to my estimation routines (Carma etc) and
have developed a few tools for reading such data from files etc.
Jim
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