apple                 package:mvnmle                 R Documentation

_W_o_r_m _I_n_f_e_s_t_a_t_i_o_n_s _i_n _A_p_p_l_e _C_r_o_p_s

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

     The `apple' data frame provides the number of apples (in 100s) on
     18 different apple trees.  For 12 trees, the percentage of apples
     with worms (x 100) is also given.

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

     This data frame contains the following columns:

     _s_i_z_e hundreds of apples on the tree.

     _w_o_r_m_s percentage (x100) of apples harboring worms.

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

     These data constitute Table 6.1 in Little and Rubin (1987),
     adapted from Table 6.9.1 of Snedecor and Cochran (1967).

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

     Little, R. J. A., and Rubin, D. B. (1987) Statistical Analysis
     with Missing Data.  New York: Wiley.

     Snedecor, G. W., and Cochran, W. G.  (1967)  Statistical Methods,
     6th ed.  Ames: Iowa State University Press.

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

     library(mvnmle)
     data(apple)

     mlest(apple)

