enhanced.ipw.coxph is a wrapper function for calling svycoxph of survey package.
enhanced.ipw.coxph (formula, dat, strata.formula, subset, imputation.formulae,
verbose=FALSE)a formula that gives the model we are interested to fit
a data frame
a formula that gives how two phase sampling is done
a vector of logicals that give which observations are indluced in phase 2
a list of formulae or a single formula that give models to impute missing data
Boolean
An object of class svycoxph.