model.frame.selection

formula

further arguments passed to other methods
      (e.g. <code><a rd-options="" href="/link/model.frame?package=sampleSelection&version=1.0-4" data-mini-rdoc="sampleSelection::model.frame">model.frame</a></code> or <code><a rd-options="" href="/link/model.frame.binaryChoice?package=sampleSelection&version=1.0-4" data-mini-rdoc="sampleSelection::model.frame.binaryChoice">model.frame.binaryChoice</a></code>).


   Return the variables used for estimating a sample selection model


methods

Two-step estimation
and maximum likelihood estimation
of Heckman-type sample selection models:
standard sample selection models (Tobit-2)
and endogenous switching regression models (Tobit-5).

model.frame.selection: Data of Selection Models

Description

Usage

Arguments

Value

See Also