Cushings                package:MASS                R Documentation

_D_i_a_g_n_o_s_t_i_c _T_e_s_t_s _o_n _P_a_t_i_e_n_t_s _w_i_t_h _C_u_s_h_i_n_g'_s _S_y_n_d_r_o_m_e

_D_e_s_c_r_i_p_t_i_o_n:

     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.

_U_s_a_g_e:

     Cushings

_F_o_r_m_a_t:

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

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

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

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


_S_o_u_r_c_e:

     J. Aitchison and I. R. Dunsmore (1975) _Statistical Prediction
     Analysis._ Cambridge University Press, Tables 11.1-3.

_R_e_f_e_r_e_n_c_e_s:

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