On Wed, 3 Mar 2004 18:14:25 -0700
Christof Bigler <[EMAIL PROTECTED]> wrote:
> I have a spatial data set with ordinal response variable containing
> four levels. I would like to know if and how spatial autocorrelation
> can be taken into account when ordinal logistic regression is used
> (e.g. the function lrm from the Design package).
>
> Thanks for your help!
> Christof
lrm (through the robcov and bootcov functions) can take into account
general intra-cluster correlations. This works best when clusters do not
contain very many observations. Different clusters are assumed to be
independent.
---
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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