preston_plot: Barplot in Preston style of an abundance dataset

In GUILDS: Implementation of Sampling Formulas for the Unified Neutral Model of Biodiversity and Biogeography, with or without Guild Structure

Barplot in Preston style of an abundance dataset

Description

This function first sorts abundances into octaves, and then plots the resulting distribution.

Usage

  preston_plot(abund, expected, ...)

Arguments

abund	vector containing the number of individuals per species
expected	vector containing the expected number of species per octave
...	further graphical arguments that can be passed to barplot()

Author(s)

Thijs Janzen

Examples

  theta = 10
  m = 0.1
  J = 1000
  I = m * (J - 1) / (1 - m)
  
  abund <- generate.ESF(theta, I, J)
  par(mfrow = c(1,2))
  preston_plot(abund)
  abund.expect <- expected.SAD(theta, m, J)
  preston_plot(abund, abund.expect)

GUILDS documentation built on Aug. 21, 2023, 5:10 p.m.