colInfo-class           package:tkWidgets           R Documentation

_C_l_a_s_s "_c_o_l_I_n_f_o" _p_r_e_s_e_n_t_s _c_o_l_u_m_n _i_n_f_o_r_m_a_t_i_o_n _f_o_r _a _d_a_t_a _f_r_a_m_e

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

     This class is for keeping information about a data frame to be
     processed. The class is mainly for use by 'importWizard'

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

     Objects can be created by calls of the form 'new("colInfo", ...)'

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


     '_c_o_l_N_a_m_e': Object of class '"character"' - a character string for
          the name of the column

     '_c_o_l_T_y_p_e': Object of class '"character"' - a character string for
          the data type of the column. Can only be "character" or
          "numeric"

     '_d_r_o_p_O_r_N_o_t': Object of class '"logical"' - a boolean indicationg
          whether the column will be droped

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


     _c_o_l_N_a_m_e 'signature(object = "character")': The get method for slot
          "colName"

     _c_o_l_N_a_m_e<- 'signature(object = "character")': The set method for
          slot "colName"

     _c_o_l_T_y_p_e 'signature(object = "character")': The get method for slot
          "colType"

     _c_o_l_T_y_p_e<- 'signature(object = "character")': The set method for
          slot "colName"

     _d_r_o_p_O_r_N_o_t 'signature(object = "logical")': The get method for slot
          "dropOrNot"

     _d_r_o_p_O_r_N_o_t 'signature(object = "logical")': The set method for slot
          "dropOrNot"

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

     Jianhua Zhang

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

     'importWizard'

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

       newInfo <- new("colInfo", colName = "aaaa", colType = "character",
     dropOrNot = FALSE)  

