+------------+-------------------+
| anorexia   | R Documentation   |
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Anorexia Data on Weight Change
------------------------------

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

The ``anorexia`` data frame has 72 rows and 3 columns. Weight change
data for young female anorexia patients.

Usage
~~~~~

::

    anorexia

Format
~~~~~~

This data frame contains the following columns:

``Treat``
    Factor of three levels: ``"Cont"`` (control), ``"CBT"`` (Cognitive
    Behavioural treatment) and ``"FT"`` (family treatment).

``Prewt``
    Weight of patient before study period, in lbs.

``Postwt``
    Weight of patient after study period, in lbs.

Source
~~~~~~

Hand, D. J., Daly, F., McConway, K., Lunn, D. and Ostrowski, E. eds
(1993) *A Handbook of Small Data Sets.* Chapman & Hall, Data set 285 (p.
229)

(Note that the original source mistakenly says that weights are in kg.)

References
~~~~~~~~~~

Venables, W. N. and Ripley, B. D. (2002) *Modern Applied Statistics with
S.* Fourth edition. Springer.
