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| Blackmore   | R Documentation   |
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Exercise Histories of Eating-Disordered and Control Subjects
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Description
~~~~~~~~~~~

The ``Blackmore`` data frame has 945 rows and 4 columns. Blackmore and
Davis's data on exercise histories of 138 teenaged girls hospitalized
for eating disorders and 98 control subjects.

Usage
~~~~~

::

    Blackmore

Format
~~~~~~

This data frame contains the following columns:

subject
    a factor with subject id codes.

age
    age in years.

exercise
    hours per week of exercise.

group
    a factor with levels: ``control``, Control subjects; ``patient``,
    Eating-disordered patients.

Source
~~~~~~

Personal communication from Elizabeth Blackmore and Caroline Davis, York
University.
