anorexia                package:MASS                R Documentation

_A_n_o_r_e_x_i_a _D_a_t_a _o_n _W_e_i_g_h_t _C_h_a_n_g_e

_D_e_s_c_r_i_p_t_i_o_n:

     The 'anorexia' data frame has 72 rows and 3 columns. Weight change
     data for young female anorexia patients.

_U_s_a_g_e:

     anorexia

_F_o_r_m_a_t:

     This data frame contains the following columns:

     '_T_r_e_a_t' Factor of three levels: '"Cont"' (control), '"CBT"'
          (Cognitive Behavioural treatment) and  '"FT"' (family
          treatment).

     '_P_r_e_w_t' Weight of patient before study period, in lbs.

     '_P_o_s_t_w_t' Weight of patient after study period, in lbs.


_S_o_u_r_c_e:

     Hand, D. J., Daly, F., McConway, K., Lunn, D. and Ostrowski, E.
     eds (1993) _A Handbook of Small Data Sets._ Chapman & Hall, Data
     set 285 (p. 229)

     (Note that the original source mistakenly says that weights are in
     kg.)

_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.