| filtfast | Filtering highly dissimilar reads/sequences out of the alignment |
| gapremove | Removing gap-rich positions and/or reads/sequences |
| otucompare | Comparing operational taxonomic unit (OTU) by k-means clustering between samples |
| pctopt | Optimizing cut-off percentage for error minimization |
| snvcompare | Plotting single nucleotide variant (SNV) frequency in read alignment across different samples |
| vqsassess | Sequencing error minimization, read down-sampling, and data preparation for viral quasispecies comparison |
| vqscompare | Comparing viral quasispecies profile and operational taxonomic unit (OTU) classified by k-means clustering between samples |
| vqscustompct | Sequencing error minimization with customized % cut-off at particular nucleotide region, read down-sampling, and data preparation for viral quasispecies comparison |
| vqsout | Exporting viral quasispecies profile comparison results |
| vqsresub | Computing viral quasispecies diversity metrics of error-minimized repeatedly down-sampled read alignments |
| vqssub | Computing viral quasispecies diversity metrics of error-minimized down-sampled read alignment |