 {
   function = new DU_PLSR_Function();
 
-  current_step = -1;
-
   function->begin();
 }
 

  virtual void function_loop()
  {
    widget_loop();
  }

  void clock_clock_callback()

    randomSeed(cv_read(CI1));

    // initialize interface
    current_step = -1;
    displayed_step = -1;

    // load params
