lansing                package:mclust                R Documentation

_M_a_p_l_e _t_r_e_e_s _i_n _L_a_n_s_i_n_g _W_o_o_d_s

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

     The 'lansing' data frame has 1217 rows and 3 columns. The first
     two columns give the location, the third column the tree type.

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

     data(lansing)

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

     This data frame contains the following columns:

     _x a numeric vector

     _y a numeric vector

     _s_p_e_c_i_e_s a factor with levels 'hickory' and 'maple' 

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

     D.J. Gerrard, Research Bulletin No. 20, Agricultural Experimental
     Station, Michigan State University, 1969.

_S_e_e _A_l_s_o:

     'grid1', 'dens'

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

     data(lansing)
     plot(lansing[,1:2], pch=as.integer(lansing[,3]),
          col=as.integer(lansing[,3]), main="Lansing Woods tree types")

