walker                 package:gstat                 R Documentation

_W_a_l_k_e_r _L_a_k_e _s_a_m_p_l_e _d_a_t_a _s_e_t

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

     This is the Walker Lake sample data set (not the exhaustive data
     set!), used in Isaaks and Srivastava's Applied Geostatistics.

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

     data(walker)

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

     This data frame contains the following columns:

     _I_d Identification Number

     _X Xlocation in meter

     _Y Ylocation in meter

     _V V variable, concentration in ppm

     _U U variable, concentration in ppm

     _T T variable, indicator variable

_N_o_t_e:

     This data set was obtained from <URL:
     http://www.ai-geostats.org/resources/data/walker.dat>; The full
     (exhaustive) Walker Lake set is available from <URL:
     http://www.ai-geostats.org/resources/data/WalkerLake.zip>

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

     Applied Geostatistics by Edward H. Isaaks, R. Mohan Srivastava;
     Oxford University Press.

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

     data(walker)
     summary(walker)

