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:

     data(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.)

