add as.data.frame option to get_evaluations function


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/biomod@657 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
small update

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/biomod@658 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add models.eval.meth arg in BIOMOD_EnsembleModelling function


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/biomod@659 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
prob.mean.weight.decay should be a function


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/biomod@660 edb9625f-4e0d-4859-8d74-9fd3b1da38cb