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 coerced to a count
object.
Author(s)
Robin K. S. Hankin
Examples
data(saunders)
plot(extant(extractor(saunders,1)))
[Package untb version 1.7-7 Index]