search for: tp18407476p18407476

...ent must be a conditional expression but obviously it did not work. I would appreciate any comments on this. I looked at Pinheiro and Bates and they don't have an example of this. Thanks Beto -- View this message in context: http://www.nabble.com/GroupedData-for-three-way-randomized-block.-LME-tp18407476p18407476.html Sent from the R help mailing list archive at Nabble.com.