simSCR2DNA: Simulate data from a SCR study with DNA collected from scat...

In benaug/SPIM: This package contains MCMC algorithms in R and (some) Rcpp for various Spatial Partial Identity Models. Prospective users should email Ben before using.

Simulate data from a SCR study with DNA collected from scat and hair snares

Description

This function simulates data from a joint hair snare and scat collection SCR study. The extent of the state space is controlled by "buff", which buffers the minimum and maximum X and Y extents. Therefore, it probably only makes sense for square or rectangular grids. Functionality for user-provided polygonal state spaces will be added in the future.

Usage

simSCR2DNA(N = 120, lam01 = 0.2, lam01b = 0, lam02 = 0.2,
  sigma = c(0.5, 0.5), K1 = 10, K2 = 10, X1 = X1, X2 = X2,
  buff = 2)

Arguments

N	a vector indicating the number of individuals to simulate
lam01	the hair snare detection function hazard rate
lam02	the scat detection function hazard rate
sigma	a vector of spatial scale parameters for the hair snare and scat detection functions (in that order)
K1	the number of hair snare capture occasions
K2	the number of scat capture occasions
X1	the K1 x 2 matrix of hair snare locations
X2	the K2 x 2 matrix of scat collection locations (descretized transects)
buff	the distance to buffer the trapping array in the X and Y dimensions to produce the state space
lam0b	the hair snare detection function hazard rate after capture at a trap

Value

a list containing the capture histories (y1 for hair snares, y2 for scat collection), activity centers, trap objects, and several other data objects and summaries.

Author(s)

Ben Augustine

benaug/SPIM documentation built on April 28, 2024, 7:27 a.m.