ISTAT Information system on quality of statistical production processes SIQual
Secondary study operations
Secondary study planning
 Defining secondary study aims
 Review and selection of the sources
 Definition of the variables to adquire and disseminate
 Planning data acquisition modes
 Planning data pre-processing techniques
 Planning editing and imputation techniques
 Planning the estimation methodology for mixed sources
 Designing software for analysis and result tabulation
 Planning modes and technical devices for result dissemination
Data acquisition
 Data acquisition from Istat primary surveys
 Data acquisition from Istat secondary studies
 Data acquisition from Sistan bodies
 Data acquisition from national bodies other than Sistan
 Data acquisition from international bodies
Pre-processing input data
 Analysis of the adequacy of sources
 Data processing for definition reconcilation
 Data processing for classification reconcilation
 Microdata integration by record linkage (exact matching of same units in different records)
 Microdata integration by matching (exact matching of different units)
 Microdata assembling to reconstruct the set of observations
 Macrodata integration
 Macrodata assembling
 Editing and imputation of outliers and/or missing data
 Control of outliers and/or missing data
 Imputation of unobserved statistical units
 Imputation of statistical variables unavailable in the administrative sources
 Control of record layout
 Revision of postal address data (normalisation, geocoding, duplicate check, validation)
 Microdata control
Data processing
 Secondary study activities
  Drafting tables and graph for Istat publications
  Data smoothing or interpolation (regressions, moving averages, ...) by statistical techniques
  Use of seasonal adjustment procedures
  Analytical insights based on advanced statistical techniques
  Provisional estimate release
  Processing forecasts
  Drafting life-tables
  Constructing time series
  Revising of time series
  Constructing indicators
  Constructing intermediate economic aggregates
  Constructing final economic aggregates (to be published)
  Computing elementary indexes
  Calculating composite indexes
  Measurement of the reconciliation items for deficit, working balance and debt
  Building up a microdata set for structural business statistics
  Maps production
  Building up a microdata statistical register
 Analysis techniques for secondary studies
  Microsimulations
  Estimation of the variables unavailable in the adquired administrative sources
 Data processing
  Processing provisional indexes for Eurostat
  Provisional data processing
   Setting up provisional microdata files for Eurostat
   Setting up provisional microdata files for Istat National Accounts Division
   Provisional macrodata processing
   Setting up provisional macrodata files for Eurostat
   Setting up provisional macrodata files for Istat National Accounts Division
   Processing provisional indexes
  Final data processing
   Setting up final microdata files for Eurostat
   Setting up final microdata files for Istat National Accounts Division
   Setting up final microdata files for Sistan bodies
   Processing final macrodata
   Setting up final macrodata files for Eurostat
   Setting up final macrodata files for Istat National Accounts Division
   Setting up final macrodata for international bodies other than Eurostat
   Processing final macrodata for national bodies other than Sistan
   Processing final indexes
  Processing data undergoing a revision policy
   Processing macrodata undergoing a revision policy
   Processing macrodata undergoing a revision policy for national bodies other than Sistan
    Processing macrodata undergoing a revision policy for Eurostat
  Estimate calculation
Data validation
 Comparison with data from other independent sources
 Controllo di congruenza con precedenti dati della stessa elaborazione
 Analysis of available time series
 Time series analysis of indicators and checks ratios
 Analysis of quality indicators supporting output data
 Assessment of adequacy of estimates compared to definitions (exhaustiveness of estimates)
 Additional studies and experiments input data quality
Data storage
 Data storage in a local repository
 Data storage in a central repository
 Data storage in ARMIDA (Istat validated microdata repository)
Statistical disclosure control
 Methods of risk evaluation for tables
  Risk evaluation by applying a threshold rule
  Risk evaluation by applying a dominance rule
 Methods of protection for tables
  Cell suppression
  Cell perturbation
  Table redesign
 Methods of protection microdata
  Global recording
  Local suppression
  Data masking
Dissemination
 Editing publications
  Press release dissemination ("Statistiche-Flash", "Statistiche-Report", "Statistiche-Focus", "Note informative")
  Publishing final data in survey-specific volumes (Series Yearbooks, "Informazioni", etc.)
  Publishing provisional data (e.g. "Nota rapida", etc.)
  Publishing data in Istat general volumes (Statistical Yearbook, "Conoscere l'Italia", Italian Statistical Compendium, etc.)
  Publishing insights or specific studies (Series "Argomenti", "Metodi e Norme", etc.)
  Publishing data in volumes of International Organisations (OECD, Eurostat, etc.)
 Dissemination in data banks or information systems
  Dissemination in Istat data banks available at Istat Data shop, Regional Offices or other locations
  Dissemination on the Internet or other networks or by electronic systems such as BBS (Bulletin Board System)
  Dissemination on international dedicated networks meeting dissemination standards (UN, Eurostat, OECD, WHO)
  Dissemination on the Internet in an information system
 Machine To Machine data dissemination
 Dissemination of elementary data and indicators
  Release of standard files
  Microdata File for Research (MFR) release
  Access to the laboratory for the Analysis of Elementary Data (ADELE)
  Release of files for Sistan
Documentation
 Developing electronic tools for quality indicators computation
 Disseminating quality indicators supporting statistical information
 Disseminating of quality reports supporting statistical information
Evaluation
 Gathering evaluation inputs
 Quality statistical auditing
 Quality statistical self-assessment
 Agreement of action plan after evaluation
Replanning the secondary study
 Replanning secondary study aims
 Replanning data acquisition modes
 Replanning data pre-processing techniques
 Replanning editing and imputation techniques
 Re-designing software for analysis and result tabulation
 Replanning modes and technical devices for result dissemination
 Ristrutturazione dei contenuti informativi dell'elaborazione