periodsInput              package:dse1              R Documentation

_T_S_d_a_t_a _P_e_r_i_o_d_s

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

     Apply a method to the input or output data.

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

         periodsInput(x)
         periodsInput(x)
         periodsInput(x)

         periodsOutput(x)
         periodsOutput(x)
         periodsOutput(x)

         input.start(x)
         input.start(x)
         input.start(x)

         output.start(x)
         output.start(x)
         output.start(x)

         input.end(x)
         input.end(x)
         input.end(x)

         output.end(x)
         output.end(x)
         output.end(x)

         input.frequency(x)
         input.frequency(x)
         input.frequency(x)

         output.frequency(x)
         output.frequency(x)
         output.frequency(x)

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

       x: An object containing TSdata.

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

     Apply a method to the input or output data so, for example,
     periodsInput(x) in theory does periods(input.data(x)), which 
     returns the number of periods in input data. The actual
     implementation may not do periods(input.data(x)). For example,
     with TSPADIdata  input.data(x) requires a database retrieval which
     may be fairly slow, while the number of periods may be available
     much more quickly.

_V_a_l_u_e:

     Depends.

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

         if(is.R()) data("eg1.DSE.data.diff", package="dse1")
         periodsOutput(eg1.DSE.data.diff)

