antigua                 package:DAAG                 R Documentation

_A_v_e_r_a_g_e_s _b_y _b_l_o_c_k _o_f _y_i_e_l_d_s _f_o_r _t_h_e _A_n_t_i_g_u_a _C_o_r_n _d_a_t_a

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

     These data frames have yield averages by blocks (parcels). The
     'ant111b' data set is a subset of this.

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

     antigua

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

     A data frame with 324 observations on 7 variables.

     _i_d a numeric vector

     _s_i_t_e a factor with 8 levels.

     _b_l_o_c_k a factor with levels 'I' 'II' 'III' 'IV'

     _p_l_o_t a numeric vector

     _t_r_t a factor consisting of 12 levels

     _e_a_r_s a numeric vector; note that -9999 is used as a missing value
          code.

     _h_a_r_v_w_t a numeric vector; the average yield

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

     Andrews DF; Herzberg AM, 1985. Data. A Collection of Problems from
     Many Fields for the Student and Research Worker. Springer-Verlag.
     (pp. 339-353)

