extractor: Extract rows of a database in count form

In untb: Ecological Drift under the UNTB

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 coerced to a count object.

Author(s)

Robin K. S. Hankin

Examples

data(saunders)
plot(extant(extractor(saunders,1)))

untb documentation built on Sept. 11, 2024, 5:14 p.m.