Cushings                package:MASS                R Documentation

Diagnostic Tests on Patients with Cushing's Syndrome

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:

     data(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 11.1-3.

References:

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

