hyreg2 (version 1.1.0)

FLXMRhyreg: M-step driver to be used in flexmix

Description

Function used in flexmix M-Step to estimate hybrid model

Usage

FLXMRhyreg(
  formula = . ~ .,
  family = c("hyreg"),
  type = NULL,
  type_cont = NULL,
  type_dich = NULL,
  variables_both = NULL,
  variables_cont = NULL,
  variables_dich = NULL,
  stv = NULL,
  offset = NULL,
  opt_method = "BFGS",
  optimizer = "optim",
  lower = -Inf,
  upper = Inf,
  formula_type_classic = TRUE,
  ...
)

Value

a model object, that can be used in hyreg2 as input for parameter model in flexmix::flexmix()

a model object, that can be used in hyreg2 as input for parameter model in flexmix::flexmix

Arguments

formula

model formula, automatically provided by hyreg2 and flexmix::flexmix()

family

default "hyreg", needed for flexmix::flexmix()

type

character vector containing the indicator whether that datapoint (row) contains continuous or dichotomous data, see Details of hyreg2

type_cont

value of type referring to continuous data, see Details of hyreg2

type_dich

value of type referring to dichotomous data, see Details of hyreg2

variables_both

character vector; variables to be fitted on both continuous and dichotomous data. see Details of hyreg2

variables_cont

character vector; variables to be fitted only on continous data. see Details of hyreg2

variables_dich

character vactor; variables to be fitted only on dichotomous data. see Details of hyreg2

stv

named vector or list of named vectors containing start values for all coefficients from formula, including theta, see Details of hyreg2

offset

offset as in flexmix::flexmix(), default NULL

opt_method

character, optimization method to be used in optimizer, default "BFGS"

optimizer

character, optimizer to be used in bbmle::mle2(), default "optim"

lower

lower bound for censored data. If this is used, opt_method must be set to "L-BFGS-B", default -INF,

upper

upper bound for censored data. If this is used, opt_method must be set to "L-BFGS-B",default INF

formula_type_classic

logical; is the provided formula a typical R formula containing only variables or does it include variables and parameters? default TRUE

...

additional arguments for flexmix::flexmix() or bbmle::mle2()

Author

Svenja Elkenkamp and Kim Rand

Examples

formula <- y ~  -1 + x1 + x2 + x3
the$k <- 2
stv <- setNames(c(0.2,0,1,1,1),c(colnames(simulated_data_norm)[3:5],c("sigma","theta")))



x <- model.matrix(formula,simulated_data_norm)
y <- simulated_data_norm$y
w <- 1
model <- FLXMRhyreg(formula = formula,
                    family=c("hyreg"),
                    type =  simulated_data_norm$type,
                    stv = stv,
                    type_cont = "TTO",
                    type_dich = "DCE_A",
                    opt_method = "L-BFGS-B",
                    control = list(iter.max = 1000, verbose = 4),
                    offset = NULL,
                    optimizer = "optim",
                    variables_both =  names(stv)[!is.element(names(stv),c("sigma","theta"))],
                    variables_cont = NULL,
                    variables_dich = NULL,
                    lower = -Inf,
                    upper = Inf,
)