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Data Quality Dimensions and measures
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Data Quality Dimensions and measures
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![Mind Mapping – DQ dimension & measures Data Quality Principals Accuracy Completeness Consistency Timely Usable + Trust Validity Calculation accuracy Relevance Confidence level of source Measures Validation(if else, pattern) Lookup Range Max/min Frequency distribution Source of reference Perception value to biz Source of data(manual entry?/ drop down ) Structural Vertical Structural Integrity(synchornized) Up to date Availability Speed Ease of use Horizontal Contextual Dimensions Row count Row checksum Nullability / missing info Full context of desc. Fill rate % for row No duplication Availability to read / update Rates of update – data decay rate Access respond time Data Presentation quality Contextual ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Definition Data coverage (transact-ability + confidence) Prepared by Alex CK Yap 2010](https://image.slidesharecdn.com/dqshared-12986055416824-phpapp02/85/data-quality-dimensions-and-measures-1-320.jpg)
