Demetra User Manual Final release Sylwia Grudkowska NBP

Demetra+ User Manual Final release Sylwia Grudkowska NBP

Demetra+ User Manual – contents (1) l Basic information about Demetra+ l l l Installing and uninstalling the software Running and closing the application Application’s windows l l Workspace Tools X 12 and TS Doc Window menu

Demetra+ User Manual – contents (2) l X 12 and TS specifications l l Defining single-processing and multi-processing X 12 and TS results l l l options parameters interpretation on the results description of tests Regular data production l l saving and refreshing results changing the specification

Improvements made since last WG meeting l l l l Description of output settings Description of SI ratio Some extension to X 12 and Tramo. Seats specifications (td effects, Easter effect, user-defined regressors and others) Description of seasonality tests (Kruscall-Walis, evaluative seasonality test, combined seasonality test) Some explanations of Tramo. Seats output Multi-processing - period to period data production periodogram

Areas which could be extended l Detailed description of TRAMO/SEATS results: l l decomposition Wiener-Kolmogorow analysis Multi-processing results menu M-statistics

Possibile improvements l l l Comparison of Demetra+ and Demetra 2. 2. Documentations of Excel add-ins Examples l l data mass-production improvement of problematic time series

Towards SA handbook (? ) l What should be included in the SA guide? l l l Overview of the SA method Prior knowledge about the series Interpretation on the results Clear reference to ESS guideline on SA Theoretical problems illustrated with step-by-step examples from Demetra+

Thank you!