Package index • StratPal

Available functions

Trait evolution

Simulate trait evolution along a lineage

ornstein_uhlenbeck(): simulate ornstein-uhlenbeck (OU) process

ornstein_uhlenbeck_sl(): simulate ornstein-uhlenbeck (OU) process (specimen level)

random_walk(): simulate (un)biased random walk

random_walk_sl(): simulate (un)biased random walk (specimen level)

stasis(): simulate phenotypic stasis

stasis_sl(): simulate phenotypic stasis (specimen level)

strict_stasis_sl(): simulate strict phenotypic stasis (specimen level)

Event type data

Simulate event type data (e.g., fossil location/ages, first/last occurrences)

last_occ(): last occurrence of taxon

p3(): simulate Poisson point process

p3_var_rate(): simulate variable rate Poisson point process

range_offset(): range offset of taxon

rej_samp(): random numbers from rejection sampling

Ecology and taphonomy

Model ecological niches and taphonomic effects

all_preserved(): Indestructible fossils

apply_niche(): apply niche model

apply_taphonomy(): model taphonomic effects

bounded_niche(): define niche from boundaries

discrete_gradient(): construct discretized gradient

discrete_niche(): niche from discrete data

gradient_from_data(): gradient or taphonomic conditions from data

perfect_preservation(): perfect taphonomic conditions

prob_remove(): probabilistic removal of elements

snd_niche(): simple niche model

thin(): thin a series of events (e.g. fossil occurrences)

trivial_niche(): trivial niche model

trivial_gradient(): model absence of environmental gradients

Example data

Example data from stratigraphic forward models

scenarioA: example data, scenario A from Hohmann et al. (2024)

paleoTS functionality

Tools for linkage with the paleoTS package

reduce_to_paleoTS(): reduce pre-paleoTS format to paleoTS

plot(<pre_paleoTS>): plot pre-paleoTS objects