age_from_stage          Calculate age-specific traits from a matrix
                        population model
entropy_d               Calculate Demetrius' entropy from trajectories
                        of age-specific survivorship and fecundity
entropy_k               Calculate Keyfitz's entropy from a trajectory
                        of age-specific survivorship
entropy_k_age           Calculate Keyfitz entropy for an age-based
                        matrix population model
entropy_k_stage         Calculate Keyfitz entropy for a stage-based
                        matrix population model
evenness_shannon        Shannon Evenness (Pielou's J)
gen_time                Calculate generation time from a matrix
                        population model
is_leslie_matrix        Determine if a matrix is a Leslie matrix
                        population model
leslie_collapse         Aggregate a Leslie matrix
leslie_mpm1             Example Leslie matrix population model (MPM)
life_elas               Calculate Keyfitz's entropy from a trajectory
                        of age-specific survivorship
life_expect_mean        Calculate mean and variance of life expectancy
                        from a matrix population model
lifetable_convert       Convert between age-specific survivorship,
                        survival, or mortality hazard
longevity               Calculate longevity from a matrix population
                        model
mpm1                    Example matrix population model (MPM)
mpm_collapse            Collapse a matrix population model to a smaller
                        number of stages
mpm_rearrange           Rearrange stages of a matrix population model
                        to segregate reproductive and non-reproductive
                        stages
mpm_split               Convert matrix population model into U, F and C
                        matrices
mpm_standardize         Transform a matrix population model to a
                        standardized form
mpm_to_table            Generate a life table from a matrix population
                        model
name_stages             Add stage names to matrices
net_repro_rate          Calculate net reproductive rate (R0) from a
                        matrix population model
perturb_matrix          Perturbation analysis of a matrix population
                        model
perturb_stochastic      Calculate stochastic elasticities from a
                        time-series of matrix population models and
                        corresponding population vectors
perturb_trans           Perturbation analysis of transition types
                        within a matrix population model
perturb_vr              Perturbation analysis of vital rates in a
                        matrix population model
plot_life_cycle         Plot a life cycle diagram from a matrix
                        population model
pop_vectors             Derive a hypothetical set of population vectors
                        corresponding to a time-series of matrix
                        population models
qsd_converge            Calculate time to reach quasi-stationary stage
                        distribution
repro_maturity          Age of reproductive maturity
repro_stages            Identify which stages in a matrix population
                        model are reproductive
scale_mpm_to_lambda1    Scale a matrix population model so that lambda
                        equals 1
shape_rep               Calculate shape of reproduction over age
shape_surv              Calculate shape of survival over age
stage_at_death_dist     Compute distribution of stage at death from a
                        stage-structured MPM
standard_stages         Identify stages corresponding to different
                        parts of the reproductive life cycle
vital_rates             Derive mean vital rates from a matrix
                        population model
vr                      Derive mean vital rates from a matrix
                        population model
vr_mat                  Derive survival-independent vital rates for
                        growth, stasis, shrinkage, and reproduction
vr_vec                  Derive stage-specific vital rates from a matrix
                        population model
