Matrix with 0 or 1 entries. Each row per predictor and a
column for every model. 0 means the predictor is not significant in the
model and 1 that, on the contrary, it is significant.
pred.lablength
Maximum length of the predictors labels. Defaults to
full label length.
This function is based on the visweb function from
the bipartite package.
References
Vazquez, P.D., Chacoff, N.,P. and Cagnolo, L. (2009) Evaluating
multiple determinants of the structure of plant-animal mutualistic networks.
Ecology, 90:2039-2046.