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)
         ## S3 method for class 'TSdata':
         periodsInput(x)
         ## S3 method for class 'TSestModel':
         periodsInput(x)

         periodsOutput(x)
         ## S3 method for class 'TSdata':
         periodsOutput(x)
         ## S3 method for class 'TSestModel':
         periodsOutput(x)

         startInput(x)
         ## S3 method for class 'TSdata':
         startInput(x)
         ## S3 method for class 'TSestModel':
         startInput(x)

         startOutput(x)
         ## S3 method for class 'TSdata':
         startOutput(x)
         ## S3 method for class 'TSestModel':
         startOutput(x)

         endInput(x)
         ## S3 method for class 'TSdata':
         endInput(x)
         ## S3 method for class 'TSestModel':
         endInput(x)

         endOutput(x)
         ## S3 method for class 'TSdata':
         endOutput(x)
         ## S3 method for class 'TSestModel':
         endOutput(x)

         frequencyInput(x)
         ## S3 method for class 'TSdata':
         frequencyInput(x)
         ## S3 method for class 'TSestModel':
         frequencyInput(x)

         frequencyOutput(x)
         ## S3 method for class 'TSdata':
         frequencyOutput(x)
         ## S3 method for class 'TSestModel':
         frequencyOutput(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(inputData(x)), which 
     returns the number of periods in input data. The actual
     implementation may not do periods(inputData(x)). For example, with
     TSPADIdata  inputData(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)

