Statistical Terms Glossary

Part of the difference between a population value and an estimate thereof, derived from a random sample, which is due to the fact that only a subset of the population is enumerated.

Conceptual model for defining and describing the classes, attributes, and relationships of the SDMX standard.

Repository for structural metadata and registered Data Sources whose interfaces and behaviour comply with the SDMX technical standards.

SDMX-ML specification of the allowable constructs that an SDMX registry must consume or output in its response.

Set of standards enabling interoperable implementations within and between systems concerned with the exchange, reporting and dissemination of statistical data and related metadata.

Comma-Separated Values (CSV) based data exchange message format designed for and therefore responding to the main use case of public data dissemination. It fully respects the RFC 4180 specification (Common Format and MIME Type for CSV Files).

UN/EDIFACT format for exchange of SDMX-structured data and metadata for time series.

JSON format for the dissemination of SDMX-structured data and metadata on the web.

XML format for the exchange of SDMX-structured data and metadata.

Statistical technique used to remove the effects of seasonal and calendar influences operating on a data series.

Classification of statistical entities engaged in similar kinds of activities. 

Description of sectors covered by the statistics.

Set of data observations disambiguated by the values of a single dimension, usually time.

Cross product of values of Dimensions where either the cross product or the cross product combined with a time value identifies uniquely an observation.

Gender condition: male or female. This dimension applies only if data can be disaggregated by sex.

Set of time series whose Keys differ only in the value taken by the frequency Dimension.

Characteristics and components of the raw statistical data used for compiling statistical aggregates.

Information that is structured in a predefined way so that exchange partners can understand its content in an unambiguous way, and machines can parse the information and perform a specific action in response. 

Set of categories (in the Generic Statistical Information Model sense) which may be assigned to one or more variables registered in statistical surveys or administrative files, and used in the production and dissemination of statistics.

Definitions and descriptions of the main variables provided. 

Technical standard and content-oriented guidelines for the exchange and sharing of statistical information between organisations.

Data element that represents statistical data for a set of characteristics, one of which allows for meaningful comparisons of the data.

Total membership or population or "universe" of a defined class of people, objects or events.

Statistical activity that has common characteristics with respect to concepts and methodologies for data collection, manipulation and transformation.

Entity for which information is sought and for which statistics are ultimately compiled.

Concept used as a characteristic of a unit being observed that may assume more than one of a set of values to which a numerical measure or a category from a classification can be assigned. 

Type of explicit or implicit contract of employment which an employed person has in their job. 

Nature of the relationship between a worker and the economic unit in which or for which the work is performed. 

Metadata that identify and describe data and reference metadata.

Process to determine the validity of data and reference metadata using structural metadata.