popbio2.8 package

Construction and Analysis of Matrix Population Models

01Introduction

Introduction to the popbio Package

02Caswell

Converted Matlab functions from Caswell (2001)

03Morris

Converted Matlab functions from Morris and Doak (2002)

aq.matrix

Create a projection matrix for Aquilegia

betaval

Generate beta-distributed random numbers

boot.transitions

Bootstrap observed census transitions

countCDFxt

Count-based extinction probabilities and bootstrap confidence interval...

damping.ratio

Damping ratio

eigen.analysis

Eigenvalue and eigenvector analysis of a projection matrix

elasticity

Elasticity analysis of a projection matrix

extCDF

Count-based extinction time cumulative distribution function

fundamental.matrix

Fundamental matrix and age-specific survival

generation.time

Generation time

head2

Return the first and last part of a matrix or dataframe

hudmxdef

Matrix definition program for Hudsonia vital rates

image2

Display a matrix image

Kendall

Find the best Kendall's estimates of mean and environmental variance f...

lambda

Population growth rate

lnorms

Generate random lognormal values for fertility rates

logi.hist.plot

Plot logistic regression

LTRE

Life Table Response Experiment

matplot2

Plot a matrix

matrix2

Square matrices

mean.list

Mean matrix

multiresultm

Incorporate demographic stochasticity into population projections

net.reproductive.rate

Net reproductive rate

pfister.plot

Create log-log plots of variance vs. sensitivity and CV vs. elasticity

pop.projection

Calculate population growth rates by projection

projection.matrix

Construct projection matrix models using transition frequency tables

QPmat

Build a projection matrix from a time series of individuals (or densit...

reproductive.value

Reproductive value

resample

Resample a projection matrix

secder

Second derivatives of the dominant eigenvalue

sensitivity

Sensitivity analysis of a projection matrix

splitA

Split a projection matrix into separate T and F matrices

stable.stage

Stable stage distribution

stage.vector.plot

Plot stage vector projections

stoch.growth.rate

Log stochastic growth rate

stoch.projection

Project stochastic growth from a sequence of matrices

stoch.quasi.ext

Quasi-extinction threshold

stoch.sens

Stochastic growth rate sensitivity

stretchbetaval

Stretched beta-distributed random numbers

var2

Variance matrix

varEst

Estimate the variance of beta-binomial vital rates

vitalsens

Vital rate sensitivities and elasticities

vitalsim

Stochastic vital rate simulations

Construct and analyze projection matrix models from a demography study of marked individuals classified by age or stage. The package covers methods described in Matrix Population Models by Caswell (2001) and Quantitative Conservation Biology by Morris and Doak (2002).

  • Maintainer: Chris Stubben
  • License: GPL-3
  • Last published: 2024-03-28