sum_20_cols              package:bgafun              R Documentation

_C_a_l_c_u_l_a_t_e _n_u_m_b_e_r _o_f _a_m_i_n_o _a_c_i_d_s _i_n _a _c_o_l_u_m_n _o_f _a_n _a_l_i_g_n_m_e_n_t

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

     Internal Function Sum up 20 columns in an amino acid matrix which
     corresponds to one column in an alignment

