example.data


A fictional data set of historic sighting events.


datasets

This package combines several sighting based estimators of historical extinction, allowing them to be run simultaneously or individually. Code for this package was contributed by Ben Collen, Gene Hunt and Tracy Rout. Additional code was taken from McPherson & Myers (2009).

Christopher Clements

sExtinct

Calculates the historic date of extinction given a series of
sighting events

example.data function

A data frame with 8 observations on the following 2 variables.
  <dl>
    <dt><code>years</code></dt><dd>a numeric vector of the years sights have or have not occured at. Sorted from earliest at the top to latest at the bottom. Restricted to one row per year.</dd> <dt><code>sightings</code></dt><dd>a numeric vector of the number of sighting events (if any) that have occured in that year.</dd> </dl> 

example.data: Example data

Description

Usage

Arguments

Format

Examples