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

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 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.

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

Raw data used to construct the CoVaxxy Tweet IDs data set.

Labeled Datasets for Research on Information Operations.

A snapshot of news sources graded by Media Bias Fact Check.

Raw data used to construct the vendor-purchased-2019 dataset.

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