etg                   package:xcms                   R Documentation

_E_m_p_i_r_i_c_a_l_l_y _T_r_a_n_s_f_o_r_m_e_d _G_a_u_s_s_i_a_n _f_u_n_c_t_i_o_n

_D_e_s_c_r_i_p_t_i_o_n:

     A general function for asymmetric chromatographic peaks.

_U_s_a_g_e:

     etg(x, H, t1, tt, k1, kt, lambda1, lambdat, alpha, beta)

_A_r_g_u_m_e_n_t_s:

       x: times to evaluate function at

       H: peak height

      t1: time of leading edge inflection point

      tt: time of trailing edge inflection point

      k1: leading edge parameter

      kt: trailing edge parameter

 lambda1: leading edge parameter

 lambdat: trailing edge parameter

   alpha: leading edge parameter

    beta: trailing edge parameter

_V_a_l_u_e:

     The function evaluated at times 'x'.

_A_u_t_h_o_r(_s):

     Colin A. Smith, csmith@scripps.edu

_R_e_f_e_r_e_n_c_e_s:

     Jianwei Li. Development and Evaluation of Flexible Empirical Peak
     Functions for Processing Chromatographic Peaks. Anal. Chem., 69
     (21), 4452-4462, 1997. <URL: http://dx.doi.org/10.1021/ac970481d>

