[R] Novice lme split plot model specification
Martin Henry H. Stevens
HStevens at muohio.edu
Fri Jul 12 22:20:59 CEST 2002
I am a little confused about a simple model specification in lme().
I have Treatments A (levels=1:2) and B (levels=1:2), Blocks (1:10),
response Y. Levels of treatment A are assigned at random to entire blocks,
and all levels of B are applied to plots within each block.
(I believe that if all levels of A were applied to each block, then the
correct model statement would be:
model <- lme(Y ~ A*B, random = ~1|Blocks).)
How would I specify the statement for my situation?
Thanks for the help.
Martin Henry H. Stevens, Assistant Professor
338 Pearson Hall
Oxford, OH 45056
Office: (513) 529-4206
Lab: (513) 529-4262
FAX: (513) 529-4243
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