irspts               package:spsurvey               R Documentation

_S_e_l_e_c_t _a_n _I_n_d_e_p_e_n_d_e_n_t _R_a_n_d_o_m _S_a_m_p_l_e (_I_R_S) _o_f _a _F_i_n_i_t_e _R_e_s_o_u_r_c_e

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

     This function selects an independent random sample (IRS) of a
     finite resource.

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

     irspts(ptsframe, samplesize=100, SiteBegin=1)

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

ptsframe: a data frame containing id, x, y, mdcaty, and mdm.

samplesize: number of points to select in the sample.  The default is
          100.

SiteBegin: number to use for first site in the design.  The default is
          1.

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

     A data frame of IRS sample points containing: SiteID, id, x, y,
     mdcaty, and weight.

_A_u_t_h_o_r(_s):

     Tom Kincaid Kincaid.Tom@epa.gov

_S_e_e _A_l_s_o:

     'irs'

