R Codes

Temporal transition of racial/ethnic disparities in COVID-19
outcomes in 3108 counties of the United States: a cross-sectional study for three phases from January to December, 2020

Honghyok Kim, Antonella Zanobetti & Michelle L. Bell (under review)

Alternative adjustment for seasonality and long-term time-trend in time-series analysis for long-term environmental exposures and disease counts

Honghyok Kim, Jong-Tae Lee, Kelvin C. Fong & Michelle L. Bell. @ BMC Medical Research Methodology