time series. This has triggered one of the highest policy interventions that we have ever seen. Policy assessment relies on … real time monitoring of the economy using seasonally adjusted time series. This poses a new problem for analysts: to … deseasonalize time series under the effects of strongly changing trends and seasonal patterns in real time. We compare different …

Seasonality in economic time series can "obscure" movements of other components in a series that are operationally more … CAMPLET and X-13ARIMA-SEATS with three time series: US non-farm payroll employment, operational income of Ahold and real GDP …

This study first analyzes the national and global infection status of the Coronavirus Disease that emerged in 2019 …