View source: R/find_samples_taxa.R
find_samples_taxa | R Documentation |
Finding the samples dominated by user provided taxa in a phyloseq object. This is useful especially if user suspects a taxa to be contaminant and wishes to identify which samples are dominated by the contaminant taxa.
find_samples_taxa(x, taxa = NULL, relative = FALSE)
x |
|
taxa |
this should match the rownames of otu_table(x) |
relative |
Logical. If TRUE will transform input to relative abundance. Default=FALSE |
A character with sample ids.
library(microbiomeutilities) data("zackular2014") p0 <- zackular2014 p0.f <- aggregate_taxa(p0, "Genus") bac_dom <- find_samples_taxa(p0.f, taxa = "g__Bacteroides") # get samples dominated by g__Bacteroides ps.sub <- prune_samples(sample_names(p0.f) %in% bac_dom, p0.f)
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