code: def filter_by_hoys(self, hoys):
          
          existing_hoys = self.header.analysis_period.hoys
          hoys = [h for h in hoys if h in existing_hoys]
          _moys = tuple(int(hour * 60) for hour in hoys)
          return self.filter_by_moys(_moys)
docs: Filter the Data Collection based onva list of hoys.
  
          Args:
             hoys: A List of hours of the year 0..8759
  
          Return:
              A new Data Collection with filtered data