+----------+-------------------+
| Doctor   | R Documentation   |
+----------+-------------------+

Number of Doctor Visits
-----------------------

Description
~~~~~~~~~~~

a cross-section from 1986

*number of observations* : 485

*observation* : individuals

*country* : United States

Usage
~~~~~

::

    data(Doctor)

Format
~~~~~~

A dataframe containing :

doctor
    the number of doctor visits

children
    the number of children in the household

access
    is a measure of access to health care

health
    a measure of health status (larger positive numbers are associated
    with poorer health)

Source
~~~~~~

Gurmu, Shiferaw (1997) “Semiparametric estimation of hurdle regression
models with an application to medicaid utilization”, *Journal of Applied
Econometrics*, **12(3)**, 225-242.

References
~~~~~~~~~~

Davidson, R. and James G. MacKinnon (2004) *Econometric Theory and
Methods*, New York, Oxford University Press,
`http://www.econ.queensu.ca/ETM/ <http://www.econ.queensu.ca/ETM/>`_,
chapter 11.

Journal of Applied Econometrics data archive :
`http://jae.wiley.com/jae/ <http://jae.wiley.com/jae/>`_.

See Also
~~~~~~~~

``Index.Source``, ``Index.Economics``, ``Index.Econometrics``,
``Index.Observations``
