good: sortseq_tools validate -t profile_freq -i profile_freq_good.txt 
good: sortseq_tools validate -t profile_freq -i profile_freq_good_pro.txt
good: sortseq_tools validate -t profile_freq -i profile_freq_good_rna.txt

bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_missingval.txt
bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_nanfreq.txt
bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_negval.txt
bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_nonconsecpos.txt
bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_wrongalphabet.txt
bad:  sortseq_tools validate -t profile_freq -i profile_freq_bad_wrongsum.txt