time_expected: Migration waiting time (any population size)

In robjohnnoble/demonanalysis: Analysis and plotting of demon data

Description

Expected time of first successful migration, which may occur before fixation

Usage

time_expected(r1, r2, K, m, migration_type = 0, d = NA)

Arguments

r1	birth rate of cells in the destination deme, relative to reference birth rate
r2	birth rate of migrating cells, relative to r1
K	deme carrying capacity
m	migration rate per cell, relative to birth rate
migration_type	0 or 1 (see details)
d	migration distance relative to 1/sqrt(K); if NA then d is set to sqrt(K)

Details

Meaning of migration_type:

• 0: migration, such that a migration attempt occurs only following a birth event

• 1: migration, such that migration is independent of birth

Value

The waiting time.

Examples

time_expected(1, 1.1, 2, 0.1, 0)
time_expected(1, 1.1, 2, 0.1, 1)

# for comparison:
time_migration(2, 0.1, 1, 1.1, 0)
time_migration(2, 0.1, 1, 1.1, 1)

robjohnnoble/demonanalysis documentation built on June 30, 2020, 12:47 a.m.