tukey.biweight package:affy R Documentation _O_n_e-_s_t_e_p _T_u_k_e_y'_s _b_i_w_e_i_g_h_t _D_e_s_c_r_i_p_t_i_o_n: One-step Tukey's biweight on a matrix _U_s_a_g_e: tukey.biweight(x, c = 5, epsilon = 1e-04) _A_r_g_u_m_e_n_t_s: x: a matrix c: tuning constant (see details) epsilon: fuzz value to avoid division by zero (see details) _D_e_t_a_i_l_s: The details can be found in the given reference. _V_a_l_u_e: a vector of values (one value per column in the input matrix). _R_e_f_e_r_e_n_c_e_s: Statistical Algorithms Description Document, 2002, Affymetrix. _S_e_e _A_l_s_o: 'pmcorrect.mas' and 'generateExprVal.method.mas'