+--------------+-------------------+
| WeightLoss   | R Documentation   |
+--------------+-------------------+

Weight Loss Data
----------------

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

Contrived data on weight loss and self esteem over three months, for
three groups of individuals: Control, Diet and Diet + Exercise. The data
constitute a double-multivariate design.

Usage
~~~~~

::

    WeightLoss

Format
~~~~~~

A data frame with 34 observations on the following 7 variables.

``group``
    a factor with levels ``Control`` ``Diet`` ``DietEx``.

``wl1``
    Weight loss at 1 month

``wl2``
    Weight loss at 2 months

``wl3``
    Weight loss at 3 months

``se1``
    Self esteem at 1 month

``se2``
    Self esteem at 2 months

``se3``
    Self esteem at 3 months

Details
~~~~~~~

Helmert contrasts are assigned to ``group``, comparing ``Control`` vs.
(``Diet`` ``DietEx``) and ``Diet`` vs. ``DietEx``.

Source
~~~~~~

Originally taken from
`http://www.csun.edu/~ata20315/psy524/main.htm <http://www.csun.edu/~ata20315/psy524/main.htm>`_,
but modified slightly. Courtesy of Michael Friendly.
