Wheat                  package:nlme                  R Documentation

_Y_i_e_l_d_s _b_y _g_r_o_w_i_n_g _c_o_n_d_i_t_i_o_n_s

_D_e_s_c_r_i_p_t_i_o_n:

     The 'Wheat' data frame has 48 rows and 4 columns.

_F_o_r_m_a_t:

     This data frame contains the following columns:

     _T_r_a_y an ordered factor with levels '3' < '1' < '2' < '4' < '5' <
          '6' < '8' < '9' < '7' < '12' < '11' < '10'

     _M_o_i_s_t_u_r_e a numeric vector

     _f_e_r_t_i_l_i_z_e_r a numeric vector

     _D_r_y_M_a_t_t_e_r a numeric vector


_S_o_u_r_c_e:

     Pinheiro, J. C. and Bates, D. M. (2000), _Mixed-Effects Models in
     S and S-PLUS_, Springer, New York.