Silver                 package:NADA                 R Documentation

_D_i_s_s_o_l_v_e_d _s_i_l_v_e_r _c_o_n_c_e_n_t_r_a_t_i_o_n_s _f_r_o_m _w_a_t_e_r _a_n_a_l_y_s_e_s

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

     This dataset was used by Helsel and Cohn (1988) to verify their
     software.  It is provided for code validation purposes.

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

     data(Silver)

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

     A list containing 56 observations with items 'obs' and 'censored'.
     'obs' is a numeric vector of all observations (both censored and
     uncensored).  'censored' is a logical vector indicating where an
     element of 'obs' is censored (a less-than value).

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

     Helsel and Cohn (1988)

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

     Dennis R. Helsel and Timothy A. Cohn (1988), Estimation of
     descriptive statistics for multiply censored water quality data,
     Water Resources Research vol. 24, no. 12, pp.1997-2004

