Practical Guide on Seasonal Adjustment Using JDemetra+

This guide presents JDemetra+, an advanced application developed in accordance with international best practices to facilitate transparent and high-quality seasonal adjustment processes that adhere to globally recognized standards. Seasonal adjustment effectively eliminates systematic and recurring fluctuations that may obscure genuine movements within data, thereby unveiling the fundamental economic trends in infra-annual statistics. Through the integration of the esteemed X-13ARIMA-SEATS and TRAMO/SEATS methodologies, JDemetra+ ensures a unified and reliable framework for generating results that are internationally comparable. JDemetra+ promotes rigorous and reproducible workflows, thereby reinforcing the credibility and clarity of reports concerning critical economic indicators. JDemetra+ is essential for accurate interpretation of short-term economic indicators.