Statistics%20Portugal

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SIGUA-BR
System for co-ordination of frame populations and
samples from the Business Register

• Statistics Portugal
• Department of Methodology and System Information
• Information Infrastructure Unit
• Isabel Farinha and Jorge Magalhães

21th Meeting of the Wiesbaden Group on Business
Registers International Roundtable on Business
Survey Frames 24-27 November 2008 ? OECD,
Paris ? France
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Objectives

Implementing the management system of frame
population and samples (SIGUA) Introduce new
methods of sampling and statistical inference
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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
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BR
Year_N December
Enterprises
Local Units
Structural
Structural
Short-terms
Short-terms
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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
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Functionalities
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• Unique enterprise
• Unique sample survey

Data Collection System
Proposal rejected
SIGUA
Proposal accepted
Proposal rejected
Proposal accepted
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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
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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
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SCI in Global System of Surveys
SMI
SCI
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Thank you for your attention