Lee, Sokbae; Liao, Yuan; Seo, Myung Hwan; Shin, Youngki - 2020
In this paper, we estimate the time-varying COVID-19 contact rate of a Susceptible-Infected-Recovered (SIR) model. Our measurement of the contact rate is constructed using data on actively infected, recovered and deceased cases. We propose a new trend filtering method that is a variant of the...
