Table.from_table: Assure Y is dense
Table.from_table: Assure Y is dense

If class attribute comes from sparse X it should be made dense since sickit learn does not work well with sparse Y (e.g. sklearn.cross_validation.StratifiedKFold does not work).

cheral/orange3,qPCR4vir/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3,cheral/orange3,cheral/orange3,qPCR4vir/orange3