def reset(self):
        """Reset accumulated components and metric values"""
        if self.parallel:
            from pyannote.metrics import manager_
            self.accumulated_ = manager_.dict()
            self.results_ = manager_.list()
            self.uris_ = manager_.dict()
        else:
            self.accumulated_ = dict()
            self.results_ = list()
            self.uris_ = dict()
        for value in self.components_:
            self.accumulated_[value] = 0.
Reset accumulated components and metric values