cats                  package:MASS                  R Documentation

_A_n_a_t_o_m_i_c_a_l _D_a_t_a _f_r_o_m _D_o_m_e_s_t_i_c _C_a_t_s

_D_e_s_c_r_i_p_t_i_o_n:

     The heart and body weights of samples of male and female cats used
     for digitalis experiments.  The cats were all adult, over 2 kg
     body weight.

_U_s_a_g_e:

     data(cats)

_F_o_r_m_a_t:

     This data frame contains the following columns:

     `_S_e_x' Sex factor. Levels `"Female"' and `"Male"'.

     `_B_w_t' Body weight in kg.

     `_H_w_t' Heart weight in g.

_S_o_u_r_c_e:

     R. A. Fisher (1947) The analysis of covariance method for the
     relation between a part and the whole,  Biometrics 3, 65-68.

