Unclear construction of the EJRA eligibility filter mapping HESA to Cambridge HR data

Determine the exact procedure used in the Cambridge HESA Data Report to construct the EJRA eligibility filter that maps Cambridge HESA records to Cambridge HR data, including all criteria, thresholds, and reconciliation steps, to enable reproducible analysis and verification of cohort definitions.

Background

The Data Report defines Established Academic Careers (EAC) and Established Academic-related (EAR) cohorts via filters that rely on Cambridge HR data and then applies those filters to HESA data. The authors note that details of how the filter was constructed are not disclosed, which impedes reproducibility and evaluation of cohort selection. Because key policy inferences hinge on this filtered dataset and its comparability across institutions, understanding the filter construction is essential.