PMC:7210464 / 22909-23924 JSONTXT 4 Projects

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue
T174 0-96 Sentence denotes We rely on meteorological data to construct instrumental variables for the endogenous variables.
T175 97-355 Sentence denotes The National Oceanic and Atmospheric Administration (NOAA) provides average, maximum, and minimum temperatures, air pressure, average and maximum wind speeds, precipitation, snowfall amount, and dew point for 362 weather stations at the daily level in China.
T176 356-624 Sentence denotes To merge the meteorological variables with the number of new cases of COVID-19, we first calculate daily weather variables for each city on each day from 2019 December to 2020 February from station-level weather records following the inverse distance weighting method.
T177 625-807 Sentence denotes Specifically, for each city, we draw a circle of 100 km from the city’s centroid and calculate the weighted average daily weather variables using stations within the 100-km circle12.
T178 808-902 Sentence denotes We use the inverse of the distance between the city’s centroid and each station as the weight.
T179 903-1015 Sentence denotes Second, we match the daily weather variables to the number of new cases of COVID-19 based on city name and date.