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Panel answers how to access LED data, explains OD/WAC differences and QCEW benchmarking
Summary
In Q&A, presenters offered technical help: state data centers can explain OD vs WAC differences, recommended stable QWI and multi‑quarter averaging for seasonality, and said QCEW administrative records are used as an annual benchmark; presenters also confirmed use of APIs and Tableau imports.
A substantial Q&A followed the presentations in which attendees asked about specific files, data quality and tools. When a participant saw different totals between OD and WAC files for Illinois, Elena Volovevsky said the NYSDOL data center handled the pull and offered to connect the participant with that team for technical explanation.
On data quality and methodology, Christian Harris recommended using stable QWI and four‑quarter averages to account for seasonality and noted that QCEW administrative records are benchmarked annually and used to validate estimates. Presenters also confirmed that state data centers and analysts increasingly use Census APIs and that Tableau visualizations are typically built from imported data rather than live links. "If you email me, I'll be happy to connect you to them, and they'll be able to answer the more technical questions," Volovevsky said in response to a file discrepancy query.
Practical takeaway: users seeking help should contact their state data center or the state labor market information shop; the presenters encouraged attendees to use LEHD tools online for quick exploration before pulling raw files.
