Cetacea              package:relations              R Documentation

_C_e_t_a_c_e_a _D_a_t_a

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

     A data set with 16 variables on 36 different types of cetacea.

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

     data("Cetacea")

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

     A data frame with 36 observations on 16 categorical variables. 
     The first 15 variables relate to morphology, osteology, or
     behavior, and have both self-explanatory names and levels.  The
     last ('CLASS') gives a common zoological classification.

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

     G. Vescia (1985). Descriptive classification of Cetacea: Whales,
     porpoises, and dolphins. In: J. F. Marcotorchino, J. M. Proth, and
     J. Janssen (eds.), Data analysis in real life environment: ins and
     outs of solving problems. Elsevier Science Publishers B.V.:
     Amsterdam, The Netherlands.

_E_x_a_m_p_l_e_s:

     data("Cetacea")
     summary(Cetacea)
     ## Show the cetacea types grouped by class.
     split(rownames(Cetacea), Cetacea$CLASS)

