1c758ba9d6c14d9b9d3599e44c3508e2692d8d35,pyprob/distributions/empirical.py,Empirical,effective_sample_size,#Empirical#,178

Before Change

    @property
    def effective_sample_size(self):
        if self.length == 0:
            raise RuntimeError("Empirical distribution instance is empty.")
        if self._effective_sample_size is None:
            self._effective_sample_size = 1. / self.weights.pow(2).sum()
        return self._effective_sample_size

After Change

    def effective_sample_size(self):
        self._check_finalized()
        if self._effective_sample_size is None:
            weights = util.to_tensor(self._log_weights).exp()
            self._effective_sample_size = 1. / weights.pow(2).sum()
        return self._effective_sample_size

Instances