OTUtable (version 1.1.2)

obs_richness: Observed Richness

Description

Calculates observed richness on a single column of relative abundance data.

Usage

obs_richness(sample)

Arguments

sample

A vector of relative abundance data, typically a single column in a matrix

Value

Returns a single number indicating the number of taxa in the tested sample

Examples

# NOT RUN {
 data(otu_table)
 richness <- apply(otu_table, 2, obs_richness)
# }