R/linearQuadratic.R

In RadioGx: Analysis of Large-Scale Radio-Genomic Data

# Linear quadratic
#
# @param D A vector of drug concentrations
# @param pars Parameters (a, b) of the linear model
# @param SF_as_log Boolen indicating whether survival fraction is logged
#
# @return \code{numeric} The survival fraction for a linear quadratic model
.linearQuadratic <- function(D, pars, SF_as_log = TRUE) {
  SF <- -(pars[[1]] * D + pars[[2]] * D ^ 2)
  if (!SF_as_log) {
    SF <- exp(SF)
  }
  return(SF)
}