def filter_by_hoys(self, hoys):
        """Filter the Data Collection based on an analysis period.

        Args:
           hoys: A List of hours of the year 0..8759

        Return:
            A new Data Collection with filtered data
        """
        _moys = tuple(int(hour * 60) for hour in hoys)
        return self.filter_by_moys(_moys)