topo                 package:spatial                 R Documentation

_S_p_a_t_i_a_l _T_o_p_o_g_r_a_p_h_i_c _D_a_t_a

_D_e_s_c_r_i_p_t_i_o_n:

     The `topo' data frame has 52 rows and 3 columns, of topographic
     heights within a 310 feet square.

_U_s_a_g_e:

     data(topo)

_F_o_r_m_a_t:

     This data frame contains the following columns:

     `_x' x coordinates (units of 50 feet)

     `_y' y coordinates (units of 50 feet)

     `_z' heights (feet)

_S_o_u_r_c_e:

     Davis, J.C. (1973)  Statistics and Data Analysis in Geology.
     Wiley.

