Data Management
“The beginning of wisdom is the definition of terms.”
“The beginning of wisdom is the definition of terms.”
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Furthermore
Missing values is a term used to indicate that data values are not complete.
Completeness is a characteristic of data values, data elements, data records, data files and metadata.
Name | |
---|---|
Johnson |
E-mail is missing value for Johnson.
Surname | City |
---|---|
Williams | Paris |
First name is missing as data element.
Surname | City |
---|---|
Hank Williams | Paris |
Steve Kerr is missing in this file.
A reference file for all cities in UK is missing.
Data element | Data type | Definition |
---|---|---|
Name | Character |
Definition of data element 'Name' is missing.
DAMA NL (2020). Dimensions of Data Quality (DDQ). Research paper. https://www.dama-nl.org/wp-content/uploads/2020/09/DDQ-Dimensions-of-Data-Quality-Research-Paper-version-1.2-d.d.-3-Sept-2020.pdf