brambles                package:boot                R Documentation

_S_p_a_t_i_a_l _L_o_c_a_t_i_o_n _o_f _B_r_a_m_b_l_e _C_a_n_e_s

_D_e_s_c_r_i_p_t_i_o_n:

     The 'brambles' data frame has 823 rows and 3 columns.

     The location of living bramble canes in a 9m square plot was
     recorded.   We take 9m to be the unit of distance so that the plot
     can be thought of as a unit square. The bramble canes were also
     classified by their age.

_U_s_a_g_e:

     brambles

_F_o_r_m_a_t:

     This data frame contains the following columns:


     '_x' The x coordinate of the position of the cane in the plot.

     '_y' The y coordinate of the position of the cane in the plot.

     '_a_g_e' The age classification of the canes; '0' indicates a newly
          emerged cane, '1' indicates a one year old cane and '2'
          indicates a two year old cane.

_S_o_u_r_c_e:

     The data were obtained from

     Diggle, P.J. (1983) _Statistical Analysis of Spatial Point
     Patterns_. Academic Press.

_R_e_f_e_r_e_n_c_e_s:

     Davison, A.C. and Hinkley, D.V. (1997)  _Bootstrap Methods and
     Their Application_. Cambridge University Press.