This repository contains R code for the COVID model presented in Watson GL, Xiong D, Zhang L, Zoller JA, Shamshoian J, Sundin P, Bufford T, Rimoin AW, Suchard MA, Ramirez CM. Fusing a Bayesian case velocity model with random forest for predicting COVID-19 in the US. Available at SSRN 3594606. 2020 May 3.