sampFosRec: Function to sample fossil from a lineage.

In josteist/Compadre: Analysis of Macroevolutionary Rates of Speciation, Extinction and Sampling using Capture-Mark-Recapture techniques

Description

A simple function that yields a 'fossil record' of a lineage. Frequently used in order to simulate fossil records for testing models, perform adequacy analyses or just for fun.

Usage

sampFosRec(orig, ext, samp)

Arguments

orig	time of origination of the lineage
ext	time of extinction of a lineage
samp	how fossils are sampled. If given as a number it is interpreted as a proper rate (with units fossils / unit time). Can also be given as a function of time taking argument (t). Note that t is in absolute terms and not from time of origin of the lineage.

Value

an array of times at which the lineage is sampled

Examples

Fos <- sampFosRec(orig = 2,ext = 12,samp = function(t){0.1+0.01*t})
Here a lineage originated at time 2 and went extinct at time 12 is sampled according to a linearly increasing samplin rate.

josteist/Compadre documentation built on June 3, 2021, 1:02 p.m.