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

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 11.1–3.

References

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