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| .allchr | Characters allowed in lineages |
| .ranks | Ranks |
| abundances | Abundance table for 199 samples. |
| all_clades | Extract all clades present in the lineages |
| depth | Common depth |
| error_lineage | Throw error if the string is not a lineage |
| is_clade | Test if a lineage belongs to a clade |
| is_lineage | Test if a string is a lineage |
| is_rank | Test if a lineage goes down to a specified rank |
| last_clade | Extract the last clade of a lineage |
| last_rank | Extract the last rank of a lineage |
| taxtable | Taxonomic table |
| taxtree | Taxonomic tree |