this function converts a 'forest' representation of a metabolic network into a metabolic-enzyme set
Arguments
- forest
a forest representation of a metabolic network. can be used with the tree_without_cofactor
- measured_species
character vector, the names of the metabolites that are measured. Must be coherents with identifers in forest
- penalty
numeric, the penalty, between 0.1 and 0.9 (0 and 1 work as well but are special cases and shouldn't be used)
- verbose
boolean, to display progress