scallop               package:SemiPar               R Documentation

_S_c_a_l_l_o_p _a_b_u_n_d_a_n_c_e _d_a_t_a

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

     The 'scallop' data frame has 148 triplets concerning scallop
     abundance; based on a 1990 survey cruise in the Atlantic
     continental shelf off Long Island, New York, U.S.A.

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

     data(scallop)

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

     This data frame contains the following columns:

     _l_a_t_i_t_u_d_e degrees latitude (north of the Equator).

     _l_o_n_g_i_t_u_d_e degrees longitude (west of Greenwich).

     _t_o_t._c_a_t_c_h size of scallop catch at location specified by
          "latitude" and "longitude".

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

     Ecker, M.D. and Heltshe, J.F. (1994). Geostatistical estimates of
     scallop abundance. In _Case Studies in Biometry._  Lange, N.,
     Ryan, L., Billard, L., Brillinger, D., Conquest, L. and
     Greenhouse, J. (eds.) New York: John Wiley & Sons, 107-124.

_R_e_f_e_r_e_n_c_e_s:

     Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
      _Semiparametric Regression_ Cambridge University Press.
      <URL: http://stat.tamu.edu/~carroll/semiregbook/>

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

     library(SemiPar)
     data(scallop)
     pairs(scallop)

