def _resampledPDFDataSet(self): """Return instance of PDFDataSet with resampled observed data. Helper method for writeResampledObs and writeResampledObsStr. """ resampled = PDFDataSet(self.name) self.copy(resampled) resampled.robs = self.rcalc resampled.drobs = len(self.rcalc) * [0.0] resampled.Gobs = self.Gtrunc resampled.dGobs = self.dGtrunc return resampled