thin                 package:splancs                 R Documentation

_R_a_n_d_o_m_l_y _t_h_i_n _a _p_o_i_n_t _d_a_t_a _s_e_t

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

     Randomly thin a point data set.

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

     thin(pts,n)

_A_r_g_u_m_e_n_t_s:

     pts: a points data set. 

       n: the number of points to return 

_V_a_l_u_e:

     Returns a point data set consisting of 'n' points selected
     randomly from the set 'pts'.

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

     Rowlingson, B. and Diggle, P. 1993 Splancs: spatial point pattern
     analysis code in S-Plus.  Computers and Geosciences, 19, 627-655;
     the original sources can be accessed at: <URL:
     http://www.maths.lancs.ac.uk/~rowlings/Splancs/>. See also Bivand,
     R. and Gebhardt, A. 2000 Implementing functions for spatial
     statistical analysis using the R language. Journal of Geographical
     Systems, 2, 307-317.

