wm2                   package:alr3                   R Documentation

_W_i_n_d_m_i_l_l _d_a_t_a _w_i_t_h _d_i_r_e_c_t_i_o_n _i_n_f_o_r_m_a_t_i_o_n

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

     Windspeed data collected at a test site for a windmill, and also
     at a nearby long-term weather site, in Northern South Dakota.  
     Data collected every six hours for all of 2002, except that all of
     the month of May and a few other observations missing.

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

     data(wm2)

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

     A data frame with 1116 observations on the following 5 variables.

     _D_a_t_e A text variable with values like "2002/1/2/6" meaning the
          reading at 6AM on January 2, 2002

     _C_S_p_d Windspeed in m/s at the candidate site

     _R_S_p_d Windspeed for the reference site

     _R_D_i_r Wind direction, in degrees, at the reference site

     _B_i_n Wind direction binned into 16  equal width  bins

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

     Mark Ahlstrom and Rolf Miller, WindLogics, Inc.

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

     Weisberg, S. (2005). _Applied Linear Regression_, 3rd edition. New
     York: Wiley, Problem 6.8.

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

     data(wm2)

