 Usage:  timeplot(x {, len {,header}})  
 
 Input:

  x                      vector (time series) 
                         
  len (optional)         Integer (maximum length plotted in a window, 
                         default 400) 
                         
  header (optional)      list object 
                         
  header.name            name of time series 
                         
  header.origyear        beginning data of time series 
                         
  header.origperiod      origperiod period in the beginning year 
                         
  header.periodicity     beginning data of time series 
                         
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(C) MD*TECH Method and Data Technologies, 17.8.2000
