Common approach to keeping wildfire smoke out of US homes doesn't work, study finds NatureHumBehav
, a natural language processing algorithm tuned specifically for estimating sentiment from online language. We take the average of the ‘compound’ scores computed by VADER for all tweets in a county-day as our measurement of sentiment. Our approach builds on the computation of expressed sentiment described in ref.
. Readers may refer to that article for additional details on the general approach to collecting and processing tweets for use in empirical analysis. On average, the mean sentiment for a county-day is 0.17, computed from 455.4 tweets.We assembled a daily dataset of mobility measures at the county level collected between January 2019 and December 2020, the period over which mobility data were made available to researchers by SafeGraph.
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