Excluded central element from PDF eigenvectors
@@ -650,6 +650,10 @@ def _extract_nuisance_param_dict(weight_groups, systematics_name, systematics_de
logger.warning("Scale variation weight does not have all expected attributes")
continue
+ if weight_pdf % 1000 == 0: # Central element, not eigenvector of covariance matrix
+ logger.debug("Identifying PDF weight %s / %s as central element", weight_id, weight_pdf)
+ continue
+
logger.debug("Found PDF weight %s / %s", weight_id, weight_pdf)
# Add every PDF Hessian direction to nuisance parameters
