ViewerDataText-class       package:rdataviewer       R Documentation

_C_l_a_s_s "_V_i_e_w_e_r_D_a_t_a_T_e_x_t"

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

     An object representing the text file to view.

_O_b_j_e_c_t_s _f_r_o_m _t_h_e _C_l_a_s_s:

     Objects can be created using the 'viewerDataText' function.

_S_l_o_t_s:


     '_f_i_l_e_n_a_m_e': Object of class '"character"' giving the name of the
          text file.

     '_w_i_d_t_h': Object of class '"numeric"' giving the maximum number of
          characters on the longest line in the file.

     '_n_l_i_n_e_s': Object of class '"numeric"' giving the number of lines
          in the file.

     '_r_e_a_d_A_r_g_s': Object of class '"list"' giving any additional
          arguments used to read the file (currently not used).

     '_i_n_d_e_x': Object of class '"numeric"' giving a byte index to the
          start of each line in the file.

_E_x_t_e_n_d_s:

     The virtual class '"ViewerData"', directly.

_M_e_t_h_o_d_s:


     _c_o_l_N_a_m_e_s 'signature(data = "ViewerDataText", cols = "ANY")':
          provide the names of the specified columns. 

     _c_o_l_W_i_d_t_h_s 'signature(data = "ViewerDataText")':  provide the
          number of characters in each of the specified columns.

     _d_i_m_e_n_s_i_o_n_s 'signature(data = "ViewerDataText")':  provide the
          number of rows and columns in the data.

     _g_e_t_T_e_x_t 'signature(data = "ViewerDataText", rows = "ANY", cols =
          "ANY")':  provide a text version of a subset of the data as
          specified by the rows and columns.

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

     Paul Murrell

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

     'Viewer'

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

     showClass("ViewerDataText")

