extractor {untb}R Documentation

Extract rows of a database in count form

Description

Extracts rows of a data frame and, if there is one row only, coerces to a count object, preserving the species names

Usage

extractor(x, index)

Arguments

x A data frame with column headings being species names
index A vector of indices to extract

Details

If index is length one, the numbers are interpreted as species counts, and the output is coereced to a count object.

Author(s)

Robin K. S. Hankin

Examples

data(saunders)
plot(extractor(saunders.exposed,1))

[Package untb version 1.4-2 Index]