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| Cushings   | R Documentation   |
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Diagnostic Tests on Patients with Cushing's Syndrome
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Description
~~~~~~~~~~~

Cushing's syndrome is a hypertensive disorder associated with
over-secretion of cortisol by the adrenal gland. The observations are
urinary excretion rates of two steroid metabolites.

Usage
~~~~~

::

    Cushings

Format
~~~~~~

The ``Cushings`` data frame has 27 rows and 3 columns:

``Tetrahydrocortisone``
    urinary excretion rate (mg/24hr) of Tetrahydrocortisone.

``Pregnanetriol``
    urinary excretion rate (mg/24hr) of Pregnanetriol.

``Type``
    underlying type of syndrome, coded ``a`` (adenoma) , ``b``
    (bilateral hyperplasia), ``c`` (carcinoma) or ``u`` for unknown.

Source
~~~~~~

J. Aitchison and I. R. Dunsmore (1975) *Statistical Prediction
Analysis.* Cambridge University Press, Tables 11.1â€“3.

References
~~~~~~~~~~

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