Download - Data Quality that’s par for the course
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Data Quality that’s par for the courseQuality Assurance Methodologies and the Data Quality Golf Card
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Introduction Our “UDW” Product Our ETL Process Creation of a Quality Assurance Environment
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The “Up” Methodology Data Quality as a Percentage Data Analytics with the concept of improving Scores and numbers that make sense to
executives Works well in a completely defined problem
space
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The “Down” Methodology Data Quality score that relates to the number of
errors Data Analytics with the concept of lowering the
score Relates better for Data Sets without completely
defined errors
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Screens Screening for Data Filtering out the “Dirt” Leaving the “Gold” Our Methodology and Language
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Orphaned Data Orphaned Data is an artifact of building a Data
Store or Data Warehouse Managing Orphaned Data Testing for Orphaned Data issues
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What we’re doing The Data Quality Golf Card Using Severity Score, once aggregated called
“Data Quality Index” Meeting with Units, Leaders, and Front-Line staff
to continue to add new tests and define a workflow process for fixing them
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Types of Tests Tests for our office, and tests for our clients• Data Integrity (our office)• Workflow (our clients)• Missing Values (both)• Entity Resolution (both)
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Getting Buy-in Using the Score Showing “Unknowns” on reports Describing the impact on institutional reporting
as it relates to the errors being seen
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The Data Quality Golf Card All tests are organized by the office responsible
for resolving the issue Currently achieved using SQL Queries output
into an Excel pivot table Each score has associated with it a number of
test results, resulting in an index Drilling into the index gives the office what’s
needed to solve the errors
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Golf Card Demo
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The Future of the Golf Card Implemented in SAS EBI More Workflow Options Data Quality Dashboard
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Recommended Reading The Kimball Group Reader • ISBN: 978-0-470-56310-6• Chapter 11.12, Data Quality Screens
MDM in Practice• ISBN: 978-0-470-91055-9
Customer Data Integration• ISBN: 978-0-471-91697-0