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The Merative™ MarketScan® Research database provides deidentified, longitudinal, patient-level claims and is one of the largest and longest-running medical claims databases available.

The Nationwide Ambulatory Surgery Sample (NASS) provides data about major ambulatory surgery encounters in hospital-owned facilities in the United States.

Datasets associated with projects and papers from the Observatory on Social Media.

Raw data used in the paper The Manufacture of Partisan Echo Chambers by Follow Train Abuse on Twitter.

The Healthcare Cost and Utilization Project (HCUP) Nationwide Emergency Department Sample (NEDS) provides data about emergency department (ED) visits across the United States, regardless of whether they result in admission.

The Healthcare Cost & Utilization Project (HCUP) National (Nationwide) Inpatient Sample (NIS) provides a 20-percent stratified sample of all discharges from U.S. community hospitals and contains data on more than seven million hospital stays.

The Indiana Network for Patient Care (INPC) provides access to a selection of electronic medical record data from institutions across Indiana, including encounter data, labs and pathology, patient notes, and diagnosis data.

The Indiana State Inpatient Databases (IN SID) contain inpatient discharge records from community hospitals in Indiana.

Raw data used, in part, to construct datasets in the MEIU22 collection.

NielsenIQ provides access to multiple marketing datasets, including retail scanner data, consumer panel data, and Ad Intel data.