strand               package:BSgenome               R Documentation

_A_c_c_e_s_s_i_n_g _s_t_r_a_n_d _i_n_f_o_r_m_a_t_i_o_n

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

     The 'strand' generic is meant as an accessor for strand
     information. Two methods are defined by the 'BSgenome' package,
     described below.

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

     strand(x, ...)

_A_r_g_u_m_e_n_t_s:

       x: The object from which to obtain a strand factor, can be
          missing.

     ...: Additional arguments to pass to methods

_D_e_t_a_i_l_s:

     If 'x' is missing, returns an empty factor with the standard
     levels that any strand factor should have: '+', '-', and '*' (for
     either).

     If 'x' is a 'character' vector, 'x' is coerced to a factor with
     the levels listed above.

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

     Michael Lawrence

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

     strand()
     strand(c("+", "-", NA, "*"))

