R/f_f_sub.R

In SaskiaSchirmer/CONSURE: Estimating Spatially Continuous Survival, Migratory Connectivity and Recovery Probability

# CONSURE - Continuous Survival, Use of Space and Recovery Probability
# Estimates.
# Copyright (C) 2021  Saskia Schirmer
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

#' subdensity function for recovered individuals
#'
#' This function sets up the subdensity function for every spatio-temporal point
#' for recovered individuals by means of given survival, migratory connectivity
#' and recovery probability.
#' @param t integer: temporal component of recovery
#' @inheritParams f_nf_sub
#' @return subdensity of recovered individuals for the specified parameters
#' @export
#' @examples ffs <- f_f_sub(1, 1, 1, mro1D)
f_f_sub <- function(w, t, b, mark_recapture_object) {
  r <- mark_recapture_object$destination$recovery
  s <- mark_recapture_object$destination$survival
  m <- mark_recapture_object$origins[[b]]$migratory_connectivity

  m(w) * (s(w)^(t - 1) * (1 - s(w)) * r(w))
}