xthreshrank function.xfilterfun.i.tax_table from a named possibly-jagged listsample_data file from QIIME pipeline.capscale.x into one species/taxa/OTU.otu_table, sample-by-sample.otu_table-class or phyloseq-classXStringSet-class) from object.phyloseq-class into a named list of its non-empty components.p fraction of taxadistancedist class.k taxaxx.names and .dist files for mothuri..uc) to OTU tablephylo-class) from object.