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The UNECE Working Group on Statistical Data Editing and its predecessor, the Data Editing Joint Group, have developed this glossary as part of the programme of work of the Conference of European Statisticians. The present version is the fruit of our labour over the past decade or so. Many of the group's members contributed, but particular thanks are owed to Dania Fergusson and William Winkler for their efforts in, respectively, initiating and completing the work.

The main aim of this glossary is the standardization of terminology related to statistical data editing and imputation, both within and between statistical organizations. It is only when we have a common understanding of the terminology that we can pursue meaningful and efficient discussion of the topic. This glossary contains definitions of over 180 concepts, principles, techniques as well as methods. 

This glossary is not, and probably never will be, a finished document. Related terms need to be linked, missing definitions added, and outdated definitions modified. However, its usefulness will be derived only if it is made public, and if the public is invited to make it grow. We hereby request your additions, commentaries and examples in order for us to be able to make this 'living document' evolve in a way that would make it remain as current and up to date as possible. These comments can be sent to

A version of this glossary was published in 2000, but the definitions in the alphabetical listing below may be more up to date.

Alphabetical Listing

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Page: Acceptance Region Page: Acceptance Rule Page: Active Field Page: Analysis of Correction Rules Page: Analysis of Edit Rules Page: Analytical Editing Page: ARIMA Models* Page: Arithmetic Edit Page: Audit Trail Page: Autocorrection Page: Automated Data Adjustments Page: Automated Data Review Page: Automated Imputations Page: Balance Edit Page: Banff Page: Batch Data Review Page: CAI (Computer-Assisted Interviewing) Page: CASIC (Computer-Assisted Survey Information Collection) Page: Check Digit Page: Checking Rule (edit rule) Page: Checking Rule Specification (edit rule specification) Page: Class Attribute Check Page: Code List (list of code words) Page: Code Redundancy Page: Code Space Page: Code Structure Check Page: Code Structure Validation Page: Cold-Deck Page: Completeness Checking Page: Complete Set of Conflict Rules Page: Complete Set of Edits Page: Composition Check Page: Conditional Edit Page: Conflict Rule (rejection rule) Page: Consistency Check Page: Consistency Edit Page: Consistency Error Page: Consistent Edit Page: Correction Base Page: Correction Cycle* Page: Correction of Errors in Data Page: Correction Rule Page: Creative Editing* Page: Data Capture Page: Data Checking Page: Data Collection Page: Data Correction (correction of errors in data) Page: Data Editing Page: Data Field Page: Data Imputation Page: Data Item (data field) Page: Data Quality* Page: Data Redundancy Page: Data Review (data checking) Page: Data Validation Page: Data Validation According to a List Page: Deck Imputation Page: Deductive Imputation Page: Detection of Errors in Data (error detection) Page: Deterministic Checking Rule Page: Deterministic Edit Page: Deterministic Imputation Page: Donor (imputation) Page: EDI (electronic data interchange)* Page: Edit(ing) Matrix Page: Editing Bounds Page: Editing Code Page: Editing Indicators (editing flag, editing code)* Page: Editing Match (matching fields, statistical match) Page: Editing Measure* Page: Editing of Individual Data Page: Editing of Individual Records Page: Editing of Logical Units Page: Editing Procedure Page: Editing Rationality Page: Edit Rule Page: Edit Rule Specification Page: Electronic Data Interchange Page: Electronic Questionnaire Page: Error Detecting Character Page: Error Detecting Characters (check digit) Page: Error Detection Page: Error Diagnostics Page: Error Localization Page: Error Statistics Page: Evaluation of Editing Page: Expert System Page: Explicit Edit Page: Explicitly Defined Conflict Rule Page: Failed Edit Graph Page: Fatal Edit Page: Fatal Errors Page: Feerd-Hastly Method Page: Fellegi Factor Check Page: Fellegi-Holt Systems (tenets, principles) Page: Fitting (fixed constraint check, range check) Page: Fixed Constraint Check Page: Formal Edit (functional check, arithmetical edit) Page: Functional Check Page: GEIS (Generalized Edit and Imputation System) Page: Generated (versions of) Questionnaires Page: Graphical Editing Page: Heads Down Data Entry Page: Heads Up Data Entry Page: Hierarchical Editing (risk index, priority index, hit rates) Page: Holt Method for Autocorrection Page: Hot-Deck Page: Hot-Deck Imputation Page: Implied Conflict Rule Page: Implied Edit (implicit edit) Page: Imputation Page: Imputation Variance Page: Inlier Page: Input-editing Page: Integrated Survey Processing Page: Interactive Data Review Page: Interactive Editing Page: Least Squares Method for Autocorrection (Feerd-Hastly method) Page: Linear Edits Page: List of Code Words Page: Logical Condition Check Page: Logical Level of the Checking Rule Page: Macro-Edit (selective edit) Page: Manual Correction Page: Manual Data Review Page: Matching Fields Page: Micro-Editing Page: Minimal Set of Conflict Rules Page: Minimal Set of Fields to Impute Page: Mixed Imputation Page: Model-based Imputation Page: Monitoring of Editing Page: Monte-Carlo Method for Autocorrection Page: Multi-Level Modeling Imputation Page: Multivariate Edit Page: Neural Networks* Page: NIM (New Imputation Methodology) Page: Non-linear Edits Page: Normal Form of Conflict Rule Page: On-line Correction Page: Outlier Page: Over-editing Page: Probabilistic Checking Rule Page: Probabilistic Imputation Page: Qualitative Data Page: Quality Control Page: Quantitative Data Page: Query Edit Page: Query Errors Page: Range Check Page: Ratio Edit Page: Rejection Rule (conflict rule) Page: Repeatability (reproducibility) Page: Report on Errors (error diagnostics) Page: Reproducibility Page: Score Function Page: Selective Editing Page: Sequential Correction (sequential imputation) Page: Simultaneous Correction (simultaneous imputation) Page: SOLAS for missing data analysis Page: Specifications Generator Page: Statistical Edit Page: Statistical Match Page: StEPS (Standard Economic Processing System) Page: Stochastic Edit Page: Stochastic Imputation Page: Structure Error Page: Subject-Based Edit Page: Substantial Edit Page: Sum Check Page: Survey Management Page: Systematic Error Page: Total Quality Management (TQM)* Page: TQM Approach to Editing Page: Transposition Check Page: Validation Edits Page: Validity Error Page: Weighted Minimal Set Page: Winsorisation