mignonette               package:DAAG               R Documentation

_D_a_r_w_i_n'_s _W_i_l_d _M_i_g_n_o_n_e_t_t_e _D_a_t_a

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

     Data which compare the heights of crossed plants with
     self-fertilized plants.  Plants were paired within the pots in
     which they were grown, with one on one side and one on the other.

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

     mignonette

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

     This data frame contains the following columns:

     _c_r_o_s_s heights of  the crossed plants

     _s_e_l_f heights of the self-fertilized plants

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

     Darwin, Charles. 1877.  The Effects of Cross and Self
     Fertilisation in the Vegetable Kingdom.  Appleton and Company, New
     York.

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

     print("Is Pairing Helpful? - Example 4.3.1")

     attach(mignonette)
     plot(cross ~ self, pch=rep(c(4,1), c(3,12))); abline(0,1) 
     abline(mean(cross-self), 1, lty=2)
     detach(mignonette)

