コード例 #1
0
    def apply_function(self):

        for container in self.data:
            # update uncertainty first, before the weights are changed. This step is skipped in event mode
            if self.error_method == "sumw2":

                # If computing uncertainties in events mode, warn that
                # hs error propagation will be skipped
                if self.data.data_specs == 'events':
                    logging.trace(
                        'WARNING: running stage in events mode. Hypersurface error propagation will be IGNORED.'
                    )

                elif self.propagate_uncertainty:
                    calc_uncertainty(
                        container["weights"].get(WHERE),
                        container["hs_scales_uncertainty"].get(WHERE),
                        container["errors"].get(WHERE),
                    )
                    container['errors'].mark_changed()

                else:
                    vectorizer.imul(container["hs_scales"],
                                    out=container["errors"])
                    container['errors'].mark_changed()

            # Update weights according to hypersurfaces
            propagate_hs_scales(container["weights"].get(WHERE),
                                container["hs_scales"].get(WHERE),
                                container["weights"].get(WHERE))

            container['weights'].mark_changed()
コード例 #2
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ファイル: pi_hypersurfaces.py プロジェクト: thehrh/pisa-1
 def apply_function(self):
     for container in self.data:
         # update uncertainty first, before the weights are changed
         if self.error_method == "sumw2":
             if self.propagate_uncertainty:
                 calc_uncertainty(
                     container["weights"].get(WHERE),
                     container["hs_scales_uncertainty"].get(WHERE),
                     container["errors"].get(WHERE),
                 )
             else:
                 vectorizer.imul(container["hs_scales"],
                                 out=container["errors"])
             container['errors'].mark_changed()
         # Update weights according to hypersurfaces
         vectorizer.imul(container["hs_scales"], out=container["weights"])
         container['weights'].mark_changed()
         # Correct negative event counts that can be introduced by hypersurfaces (due to intercept)
         weights = container["weights"].get('host')
         neg_mask = weights < 0.
         if neg_mask.sum() > 0:
             weights[neg_mask] = 0.
             np.copyto(src=weights, dst=container["weights"].get('host'))
             container["weights"].mark_changed()
コード例 #3
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 def apply_function(self):
     for container in self.data:
         vectorizer.imul(vals=container['survival_prob'], out=container['weights'])
コード例 #4
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    def apply(self):
        # DO NOT USE THIS STAGE AS YOUR TEMPLATE IF YOU ARE NEW TO PISA!
        # --------------------------------------------------------------
        #
        # We are overwriting the `apply` method rather than the `apply_function` method
        # because we are manipulating the data binning in a delicate way that doesn't
        # work with automatic rebinning.

        self.data.data_specs = self.input_specs
        if self.scale_errors:
            for container in self.data:
                vectorizer.pow(
                    vals=container["errors"],
                    pwr=2,
                    out=container["variances"],
                )

        input_binvols = SmartArray(
            self.input_specs.weighted_bin_volumes(attach_units=False).ravel())
        output_binvols = SmartArray(
            self.output_specs.weighted_bin_volumes(attach_units=False).ravel())

        for container in self.data:
            self.data.data_specs = self.input_specs
            # we want these to be SmartArrays, so no `.get(WHERE)`
            weights_flat_hist = container["weights"]
            if self.scale_errors:
                vars_flat_hist = container["variances"]
            self.data.data_specs = self.output_specs
            if self.rs_mode == ResampleMode.UP:
                # The `unroll_binning` function returns the midpoints of the bins in the
                # dimension `name`.
                fine_gridpoints = [
                    SmartArray(
                        container.unroll_binning(name, self.output_specs))
                    for name in self.output_specs.names
                ]
                # We look up at which bin index of the input binning the midpoints of
                # the output binning can be found, and assign to each the content of the
                # bin of that index.
                container["weights_resampled"] = translation.lookup(
                    fine_gridpoints,
                    weights_flat_hist,
                    self.input_specs,
                )
                if self.scale_errors:
                    container["vars_resampled"] = translation.lookup(
                        fine_gridpoints,
                        vars_flat_hist,
                        self.input_specs,
                    )
                # These are the volumes of the bins we sample *from*
                origin_binvols = translation.lookup(
                    fine_gridpoints,
                    input_binvols,
                    self.input_specs,
                )
                # Finally, we scale the weights and variances by the ratio of the
                # bin volumes in place:
                vectorizer.imul(output_binvols, container["weights_resampled"])
                vectorizer.itruediv(origin_binvols,
                                    container["weights_resampled"])
                if self.scale_errors:
                    vectorizer.imul(output_binvols,
                                    container["vars_resampled"])
                    vectorizer.itruediv(origin_binvols,
                                        container["vars_resampled"])
            elif self.rs_mode == ResampleMode.DOWN:
                pass  # not yet implemented

            if self.scale_errors:
                vectorizer.sqrt(vals=container["vars_resampled"],
                                out=container["errors_resampled"])
コード例 #5
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 def apply_function(self):
     for container in self.data:
         vectorizer.imul(vals=container["fold_weight"],
                         out=container["weights"])
コード例 #6
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ファイル: pi_adhoc_sys.py プロジェクト: marialiubarska/pisa
 def apply_function(self):
     for container in self.data:
         vectorizer.imul(vals=container["adhoc_scale_factors"],
                         out=container["weights"])
コード例 #7
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ファイル: pi_nutau_xsec.py プロジェクト: marialiubarska/pisa
 def apply_function(self):
     for container in self.data:
         if container.name in ["nutau_cc", "nutaubar_cc"]:
             vectorizer.imul(container["nutau_xsec_scale"], container["weights"])