ufc                   package:alr3                   R Documentation

_H_e_i_g_h_t-_d_i_a_m_e_t_e_r _d_a_t_a _f_o_r _U_p_p_e_r _F_l_a_t _C_r_e_e_k, _I_d_a_h_o

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

     These data are forest inventory measures from the Upper Flat Creek
     stand of the University of Idaho Experimental Forest, dated 1991.  

     The file 'ufc' contains all the data.   'ufcwc' contains only
     Western red cedar. 'ufcgf' contains only grand fir.

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

     data(ufcgf)

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

     A data frame with the following 5 variables.

     _P_l_o_t Plot number

     _T_r_e_e Tree within plot

     _S_p_e_c_i_e_s a factor with levels  'DF' = Douglas-fir, 'GF' = Grand
          fir, 'SF' = Subalpine fir, 'WL' = Western larch, 'WC' =
          Western red cedar, 'WP' = White pine

     _D_b_h Diameter 137 cm perpendicular to the bole, mm 

     _H_e_i_g_h_t Height of the tree, in decimeters

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

     Andrew Robinson

_R_e_f_e_r_e_n_c_e_s:

     Weisberg, S. (2005). _Applied Linear Regression_, third edition. 
     New York:  Wiley.

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

     data(ufcgf)

