\name{obj.Crowder.Mod} \alias{obj.Crowder.Mod} \title{Modified Quadratic form objective function for optimization of the parameter vector (Crowder)} \usage{ obj.Crowder.Mod(param, Y, meanf, variancef, dmean, dsd, Q = diag(4)) } \arguments{ \item{Y}{Individual data sample} \item{param}{Vector of parameters of the distribution function} \item{meanf}{Mean function of the distribution} \item{variancef}{Variance function of the distribution} \item{dmean}{Derivative in respect to the parameter vector of the mean function of the distribution} \item{dsd}{Derivative in respect to the parameter vector of the standard deviation function of the distribution} \item{Q}{Weight matrix} } \value{ The value of the quadratic form } \description{ Modified Quadratic form objective function for optimization of the parameter vector (Crowder) } \author{ Francois Pelletier }