

ozone(funfits)                               R Documentation

_D_a_t_a _s_e_t _o_f _o_z_o_n_e _m_e_a_s_u_r_e_m_e_n_t_s _a_t _2_0 _C_h_i_c_a_g_o _m_o_n_i_t_o_r_i_n_g _s_t_a_-
_t_i_o_n_s_.

_A_r_g_u_m_e_n_t_s_:

       x: Longitude-latitude postion of monitoring stations.

       y: Average daily ozone values over 1987 summer.

_S_U_M_M_A_R_Y_:

     The `ozone' data is a list of two components, x and y.
     The x component is longitude and latitude position of
     each of the 20 Chicago monitoring stations. The y com-
     ponent is the average daily ozone values over the time
     period 6/3/87-8/30/87.

_"_D_A_T_A_:

     This data set is a list containing the following compo-
     nents:

_S_O_U_R_C_E_:

     AIR, the EPA air quality data base.

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

     tps, krig, nnreg

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

     tps(ozone$x, ozone$y) -> fit # fitting a surface to ozone measurements.
     plot(fit) # plots fit and residuals

