R/sigmoid.R

In KamilSJaron/ConjunctionStats: The parser of simulations of hybrid zones performed by simulator Conjunction (http://github.com/KamilSJaron/Conjunction)

#' @title sigmoid
#'
#' @description
#' \code{sigmoid} logistic function, parameters a, b, c are members of vector
#' params
#'
#' @author Kamil Jaron \email{kamiljaron at gmail.com}
#'
#' @export

sigmoid <- function(params, x) {
    params[1] / (1 + exp(-params[2] * (x - params[3])))
}