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Annexes
data quality evaluation procednre
operation(s) used in applying and reporting quality evaluation methods and their results (lS045 2002)
data quality measure
evaluation of a data quality subelement (IS045 2002)
EXAMPLE
The percentage of the values of an attribute that are correct.
data quality overview element
non-quantitative component documenting the quality of a datasets. (lS045 2002)
NOTE
Information about the purpose, usage, and lineage of a dataset is
non-quantitative information.
data quality result
value or set of values resulting from applying a data quality measure or the outcome
of evaluating the obtained value or set of values against a specified acceptable quality level (lS045 2002)
EXAMPLE
A data quality result of "90" with a data quality value type of "percentage" reported for the data quality element and its data quality subelement "completeness/commission" is an example of a value resulting from applying a data quality measure to the data specified by a data quality scope. A data quality result of
"true" with a data quality value type of "boolean variable" is an example of comparing the value (90) against a specified acceptable conformance quality level (85) and
reporting an evaluation of a kind, pass or fail.
data quality scope
extent or characteristic(s) of the data for which quality information is reported
(lS045 2002)
NOTE
A data quality scope for a dataset can comprise a dataset series to
which the dataset belongs, the dataset itself, or a smaller grouping of data located
physically within the dataset sharing common characteristics. Common characteristics can be an identified feature type, feature attribute, or feature relationship; data
collection criteria; original source; or a specified geographic or temporal extent.
data quality subelement
component of a data quality element describing a certain aspect of that data quality
element (lS045 2002)
data quality value type
value type for reporting a data quality result (lS045 2002)
EXAMPLES
"boolean variable", "percentage", "ratio"
NOTE
A data quality value type is always provided for a data quality result.
data quality value unit
value unit for reporting a data quality result. (lS045 2002)
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