samp: Population samples

In doug-leasure/eflowsim: Simulate stream population timeseries

Description

Sample from an eflowsim simulated population time series

Usage

samp(
  s.dat,
  extent = 10,
  nsites = NULL,
  sitelength.min = 100,
  sitelength.max = 100,
  npass.min = 3,
  npass.max = 3,
  sigmaprop = 1,
  sigmap = 1,
  b0p = 0,
  b1p = 0,
  b2p = 0,
  b3p = 0,
  b4p = 0,
  delta = 0
)

Arguments

s.dat	list. Simulated population. (see ?eflowsim::sim)
extent	numeric. Spatial extent of stream network (km).
nsites	numeric. Number of sample sites.
sitelength.min	numeric. Minimum length of a sample site (m).
sitelength.max	numeric. Maximum length of a sample site (m).
npass.min	numeric. Minimum number of removal sampling passes.
npass.max	numeric. Maximum number of removal sampling passes.
sigmaprop	numeric. Standard deviation in proportion of total population extent sampled.
sigmap	numeric. Standard deviation in first-pass detection probabilities.
b0p	numeric. Regression intercept for first-pass detection probabilities.
b1p	numeric. Effect of covariate 1 on first-pass detection probabilities.
b2p	numeric. Effect of covariate 2 on first-pass detection probabilities.
b3p	numeric. Effect of covariate 3 on first-pass detection probabilities.
b4p	numeric. Effect of covariate 4 on first-pass detection probabilities.
delta	numeric. Exponential rate of decline in sampling probabilities in each subsequent pass.

Value

list.

doug-leasure/eflowsim documentation built on Dec. 20, 2021, 1:10 a.m.