# Codelist Catalog

This report describes the ISO TC211 codelist catalogs, the codelists they contain, and the values and definitions of the codes.

Please contact Ted Habermann if you have questions or suggestions.

## Catalog

Name: 19157-2 Codelists
Scope: Codelists for description of data quality metadata datasets compliant with ISO/TC 211 19115-1.
Field of application: ISO 19157-2 data quality metadata
Version: 1.0
Date: 2017-09-10
Number of CodeLists: 2
Number of items: 9

## Codelists

## DQM_ValueStructure :

Description: structure for reporting a complex data quality result
CodeSpace: http://standards.iso.org/iso/19157/-2/dqm/1.0
Number of items: 6

Entry | Definition
--- | ---
bag | finite, unordered collection of related items (objects or values) that may be repeated (ISO 19107:2003)
set | unordered collection of related items (objects or values) with no repetition (ISO 19107:2003)
sequence | finite, ordered collection of related items (objects or values) that may be repeated (ISO 19107:2003)
table | an arrangement of data in which each item may be identified by means of arguments or keys (ISO/IEC 2382-4:1999)
matrix | rectangular array of numbers (ISO/TS 19129:2009)
coverage | feature that acts as a function to return values from its range for any direct position within its spatial, temporal or spatiotemporal domain (ISO 19123:2005)

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## DQ_EvaluationMethodTypeCode :

Description: description of the evaluation method and procedure applied
CodeSpace: http://standards.iso.org/iso/19157/-2/mdq/1.0
Number of items: 3

Entry | Definition
--- | ---
directInternal | method of evaluating the quality of a dataset based on inspection of items within the dataset, where all data required is internal to the dataset being evaluated
directExternal | method of evaluating the quality of a dataset based on inspection of items within the dataset, where reference data external to the dataset being evaluated is required
indirect | method of evaluating the quality of a dataset based on external knowledge

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