The data set was generated on a machine with RandomFields installed, using the following code:
source(system.file("RandomFieldsSupport", "simDynoccSpatial.R", package="AHMbook"))
simDynoccSpatialData <- simDynoccSpatial(side = 30, nyears = 10, nsurveys = 3, mean.psi1 = 0.1,
range.phi = c(0.5, 0.5), range.gamma = c(0.2, 0.2), range.p = c(0.4, 0.4),
beta.Xautolog = c(1, 1), seed.XAC = 1, seed = 24, ask.plot = TRUE)