Wheat2                 package:nlme                 R Documentation

_W_h_e_a_t _Y_i_e_l_d _T_r_i_a_l_s

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

     The 'Wheat2' data frame has 224 rows and 5 columns.

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

     This data frame contains the following columns:

     _B_l_o_c_k an ordered factor with levels '4' < '2' < '3' < '1'

     _v_a_r_i_e_t_y a factor with levels 'ARAPAHOE'  'BRULE'  'BUCKSKIN' 
          'CENTURA'  'CENTURK78'  'CHEYENNE'  'CODY'  'COLT'  'GAGE' 
          'HOMESTEAD'  'KS831374'  'LANCER'  'LANCOTA'  'NE83404' 
          'NE83406'  'NE83407'  'NE83432'  'NE83498'  'NE83T12' 
          'NE84557'  'NE85556'  'NE85623'  'NE86482'  'NE86501' 
          'NE86503'  'NE86507'  'NE86509'  'NE86527'  'NE86582' 
          'NE86606'  'NE86607'  'NE86T666'  'NE87403'  'NE87408' 
          'NE87409'  'NE87446'  'NE87451'  'NE87457'  'NE87463' 
          'NE87499'  'NE87512'  'NE87513'  'NE87522'  'NE87612' 
          'NE87613'  'NE87615'  'NE87619'  'NE87627'  'NORKAN' 
          'REDLAND'  'ROUGHRIDER'  'SCOUT66'  'SIOUXLAND'  'TAM107' 
          'TAM200'  'VONA' 

     _y_i_e_l_d a numeric vector

     _l_a_t_i_t_u_d_e a numeric vector

     _l_o_n_g_i_t_u_d_e a numeric vector

_D_e_t_a_i_l_s:

_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.

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

     data(Wheat2)

