isaaks                 package:geoR                 R Documentation

_D_a_t_a _f_r_o_m _I_s_a_a_k_s _a_n_d _S_r_i_s_v_a_s_t_a_v_a'_s _b_o_o_k

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

     Toy example used in the book _An Introduction to Geostatistics_ to
     illustrate the effects of different models and parameters in the
     kriging results when predicting at a given point.

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

     data(isaaks)

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

     An object of the class 'geodata' which is a list with the
     elements:

     _c_o_o_r_d_s coordinates of the data location. 

     _d_a_t_a the data vector. 

     _x_0 coordinate of the prediction point. 

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

     Isaaks, E.H. & Srisvastava, R.M. (1989) An Introduction to Applied
     Geostatistics. Oxford University Press.

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

     isaaks
     summary(isaaks)
     plot(isaaks$coords, asp=1, type="n")
     text(isaaks$coords, as.character(isaaks$data))
     points(isaaks$x0, pch="?", cex=2, col=2)

