

crabs(MASS)                                  R Documentation

_M_o_r_p_h_o_l_o_g_i_c_a_l _M_e_a_s_u_r_e_m_e_n_t_s _o_n _L_e_p_t_o_g_r_a_p_s_u_s _C_r_a_b_s

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

     The `crabs' data frame has 200 rows and 8 columns,
     describing 5 morphological measurements on 50 crabs
     each of two colour forms and both sexes, of the species
     Leptograpsus variegatus collected at Fremantle, W. Aus-
     tralia.

_A_r_g_u_m_e_n_t_s_:

      sp: `species' - `"B"' or `"O"' for blue or orange

     sex: as it says

   index: index 1:50 within each of the four groups

      FL: frontal lobe size (mm)

      RW: rear width (mm)

      CL: carapace length (mm)

      CW: carapace width (mm)

      BD: body depth (mm)

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

     This data frame contains the following columns:

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

     Campbell, N.A. and Mahon, R.J. (1974) A multivariate
     study of variation in two species of rock crab of genus
     Leptograpsus.  Australian Journal of  Zoology 22,
     417-425.

