search for: faunadat

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2012 Feb 21
0
mvabund package: errors using manyglm() and meanvar.plot()
Dear R users, I am trying to analyze multivariate abundance data using the mvabund package, but errors occur for several functions. I created a mvabund object named faunadat consisting of 8 dependent variables each containing 64 positive integer values (bact, fung, plant, omn, pred, orib, meso, spring). There are 4 factors: harv, rep, depth and lit. I then created a formula: > mvform<-mvformula(faunadat~harv*rep*lit+harv*rep*depth+harv*lit*depth+rep*lit*depth)...