Real World Data Quality Examples

Bottom-up Approach to Data Quality with Conformed Dimensions

Bottom-up Approach to Data Quality with Conformed Dimensions

Completeness
Existence
Lineage
Source Documentation
Segment Documentation
Target Documentation
End-to-End Graphical Documentation
Validity
Values in Specified Range
Values Conform to Business Rule
Domain of Predefined Values
Values Conform to Data Type
Values Conform to Format
Integrity
Referential Integrity
consistency
Format Consistency
Logical Consistency
accuracy
Match to Agreed Source
Equivalence of Redundant or Distributed Data
Temporal Consistency
representation
Metadata Availability
Top-down Data Quality Approach with Conformed Dimensions

Top-down Data Quality Approach with Conformed Dimensions

Validity
Completeness
Attribute Population
Lineage
Source Documentation
representation
Metadata Availability
Top-down Versus Bottom-up Data Quality Approach

Top-down Versus Bottom-up Data Quality Approach

Methodology
Approach
Strategy
Bottom-up
Data Quality with Southwest

Data Quality with Southwest

Completeness
Record Population
Validity
Format
Domain
Airlines
Finding the Right Data Required of Machine Learning

Finding the Right Data Required of Machine Learning

Record Population
Completeness
Coverage
Homeless Count Offers Great Example of Data Quality Principles

Homeless Count Offers Great Example of Data Quality Principles

Reference Data
Timeliness
precision
Completeness
Validity
Values in Specified Range
Values Conform to Business Rule
Domain of Predefined Values
Values Conform to Data Type
Values Conform to Format
Logical Consistency
Temporal Consistency
416 Miles per hour in a Dollar rental car

416 Miles per hour in a Dollar rental car

Validity Representation Consistency
Unclean data at the Dry Cleaners

Unclean data at the Dry Cleaners

Validity
Integrity
accuracy
Shippers Foretelling Future Deliveries!

Shippers Foretelling Future Deliveries!

accuracy
Timeliness
consistency
Validity