def filter_by_analysis_period(self, analysis_period):
_filtered_data = self.filter_by_months(analysis_period.months_int)<EOL>_filtered_data.header._analysis_period = analysis_period<EOL>return _filtered_data<EOL>
Filter the Data Collection based on an analysis period.

        Args:
           analysis period: A Ladybug analysis period

        Return:
            A new Data Collection with filtered data