nonexceeds              package:lmomco              R Documentation

_C_o_m_m_o_n _N_o_n_e_x_c_e_e_d_a_n_c_e _P_r_o_b_a_b_i_l_i_t_i_e_s

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

     This function returns a vector nonexceedance probabilities.

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

     nonexceeds()

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

     A vector of selected nonexceedance probabilities useful in
     assessing the "frequency curve" in hydrologic applications
     (noninclusive). The nonexceedance probabilities extend further
     into the right-hand tail of the "distribution" to the 0.996 and
     0.998 nonexceedance probability values as these are equivalent to
     the 250- and 500-year events respectively. The relation between
     annual recurrence interval and nonexceedance probability (when
     annual data are analyzed) is


                      F = 1 - frac{1}{T} mbox{,}


     where T is the T-year event.

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

     W.H. Asquith

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

     'quaexp', 'quagam', 'quagev', 'quaglo', 'quagno', 'quagpa',
     'quagum', 'quakap', 'quanor', 'quape3', 'quawak', and 'check.fs'

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

     lmr <- lmom.ub(rnorm(20))
     para <- parnor(lmr)
     quanor(nonexceeds(),para)

