good: sortseq_tools validate -t model -i model_good_mat.txt
good: sortseq_tools validate -t model -i model_good_nbr.txt

bad:  sortseq_tools validate -t model -i model_bad_mat_badcol.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_floatpos.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_missingcol.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_missingval.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_nanpos.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_nanval.txt
bad:  sortseq_tools validate -t model -i model_bad_mat_nonconsecutivepos.txt
