update for ROTS, needs integers not factors for group assigments
update for ROTS, needs integers not factors for group assigments

trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq