+---------+-------------------+
| Robey   | R Documentation   |
+---------+-------------------+

Fertility and Contraception
---------------------------

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

The ``Robey`` data frame has 50 rows and 3 columns. The observations are
developing nations around 1990.

Usage
~~~~~

::

    Robey

Format
~~~~~~

This data frame contains the following columns:

region
    A factor with levels: ``Africa``; ``Asia``, Asia and Pacific;
    ``Latin.Amer``, Latin America and Caribbean; ``Near.East``, Near
    East and North Africa.

tfr
    Total fertility rate (children per woman).

contraceptors
    Percent of contraceptors among married women of childbearing age.

Source
~~~~~~

Robey, B., Shea, M. A., Rutstein, O. and Morris, L. (1992) The
reproductive revolution: New survey findings. *Population Reports*.
Technical Report M-11.

References
~~~~~~~~~~

Fox, J. (2008) *Applied Regression Analysis and Generalized Linear
Models*, Second Edition. Sage.
