Quantifying Health Policy Uncertainty in China Using Newspapers: Text Mining Study
BackgroundFrom the severe acute respiratory syndrome (SARS) outbreak in 2003 to the COVID-19 pandemic in 2019, a series of health measures and policies have been introduced from the central to the local level in China. However, no study has constructed an uncertainty index that can reflect the volat...
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JMIR Publications,
2023-11-01T00:00:00Z.
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