R/Ricker.R

In eahamman/Predator.Diversity: Simulations and fitting of functional responses

#' Ricker attack rate functions
#' @param s size vector of prey
#' @param c maximum rate
#' @param d size at maximum attack rate (scaling factor along size classes)
#' @param g scaler parameter (for power ricker)
Ricker <- function(s,c,d,g) {c*(s/d*exp(1-(s/d)))}