This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
data_quality_dimension:accuracy [2023/06/14 14:07] peter |
data_quality_dimension:accuracy [2023/06/14 14:11] peter |
||
---|---|---|---|
Line 2: | Line 2: | ||
===Definition=== | ===Definition=== | ||
- | Accuracy of a data value is the degree of closeness of [[data_concept: | + | Accuracy of a data value is the degree of closeness of [[data_concept: |
===Relation=== | ===Relation=== | ||
Line 8: | Line 8: | ||
|Accuracy|in an instance of|[[data_quality_general/ | |Accuracy|in an instance of|[[data_quality_general/ | ||
- | ===Notes=== | + | ===Note=== |
- | Accuracy can be determined, by comparing data in your database with a real-world measurement. For example, you could call a customer and ask if his email address is still john@mail.com. | + | Accuracy can be determined, by comparing data in your database with a real-world measurement. For example, you could call a customer and ask if his email address is still john@mail.com. If you draw a sample from your database, you can make statements about the accuracy of all the data in the database. |
===Examples=== | ===Examples=== |