This function reformat the outputs of multinomial mixture distributions parameters.
reconstitution(x, s, n, nbmel)
This function returns a list of maximum likelihood estimates for the cells of a mixture distribution with:
P matrix of cell probabilities estimates for mixtures
PI matrix of mixture probabilities
GAM matrix of cell probabilities estimates for bases
vector with cell probabilities estimates for mixtures and bases, along with mixture probilities
number of bases
number of cell probabilities
number of mixtures
Olivier Gimenez <olivier.gimenez@cefe.cnrs.fr>, Roger Pradel, Rémi Choquet