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Statistics Portugal Department of Methodology and System Information Information Infrastructure Unit Isabel Farinha and Jorge Magalhães. «. SIGUA-BR. System for co-ordination of frame populations and samples from the Business Register.
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Statistics Portugal Department of Methodology and System Information Information InfrastructureUnit Isabel Farinha and Jorge Magalhães « SIGUA-BR System for co-ordination of frame populations and samples from the Business Register 21th Meeting of the Wiesbaden Group on Business Registers International Roundtable on Business Survey Frames 24-27 November 2008 OECD, Paris France
Objectives « » Implementing the management system of frame population and samples (SIGUA) » Introduce new methods of sampling and statistical inference
Introduction « »The System (SIGUA) for co-ordination of frame populations and samples from the Business Register (BR) » Management focused on Sample » Statistics survey (OES) recorded in the system metadata (SMI) of INE
BR Year_N December Enterprises Local Units Structural Structural Short-terms Short-terms
Structural Sampling frame Sampling frame Short-term Sample 1 Sample 1 Sampling frame Sampling frame Sample n Sample 1 Sample n Sample 1 Sample n Sample n
Import Sampling frame Communicate with Collecting data Communicate with the BR Import Samples Import Population frame Communicate in launching an survey Functionalities
Proposals SIGUA Analyse BR Analyse Sample • Unique enterprise • Unique sample survey Data Collection System Proposal rejected SIGUA Proposal accepted Proposal rejected Proposal accepted
Advantages « »To have centralized management of all updates already made in the different samples and BR »To have a common frame population to all the structural surveys and another one to all the short-term surveys »To allow the implementation of a system to “coordinate drawing of samples”
Advantages « »All the users through a called window “Window Sample”»the users will be able to consider shares of update to the sample »To allow that all the surveys where the enterprise is integrant part, are informed of the updates that occurs, as a result of a proposal »To allow the reduction of the burden statistics
SCI in Global System of Surveys SMI SCI