Objective function minimization

Objective function minimization

obj.min(
  coef,
  Z,
  y,
  u = NULL,
  v = NULL,
  tree = TRUE,
  nrep = 1,
  ftol = 1e-06,
  nfun_max = 5000
)

Arguments

coef

initial parameter values

Z

covariates matrix

y

response vector

u

a vector of weights

v

a vector of weigths

tree

indicator of whether the tree algorithm should be used for fast ranking

nrep

number of replications in the optimization algorithm

ftol

function tolerance to determine convergence

nfun_max

maximum number of function evaluations