COVID19负二项式模型 约翰霍普金斯大学CSSE在提供的按国家/地区预测COVID-19病例和死亡数据的负二项式模型。 有关模型的描述和演变,请参见20200429 Squashing the sombrero - negative binomial model for COVID-19 deaths.pdf 20200512 COVID-19 deaths projection now uses time-varying survival rate.pdf 20200429 Squashing the sombrero - negative binomial model for COVID-19 deaths.pdf并增加20200512 COVID-19 deaths projection now uses time-varying survival rate.pdf记录的随时间变