turkey                 package:alr3                 R Documentation

_T_u_r_k_e_y _d_a_t_a, _a_l_l _s_o_u_r_c_e_s

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

     Data from an experiment on the growth of turkeys.  60 pens of
     turkeys were grown with a similar diet, supplemented with a dose
     of methionine from one of three sources.  The response is average
     pen weight.  Recorded is dose, source, m, always 5 except for
     dose=0, average weight gain, and within group SS.

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

     This data frame contains the following columns:

     _A Dose: Amount of supplement as a percent of the total diet

     _G_a_i_n Ave. weight gain, over all replications

     _S A factor for the source of methionine, three levels numbers 1, 2
          and 3.

     _m Number of replications or pens

     _S_D SD of the m pens with the same values of S and A.

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

     R. D. Cook and J. Witmer (1985). A note on parameter-effects
     curvature. _Journal of the American Statistical Association_, 80,
     872-878.

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

     Weisberg, S. (2005). _Applied Linear Regression_, 3rd edition. New
     York: Wiley, Section 1.1.

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

     data(turkey)

