Introduction: Measuring Data Quality for Ongoing Improvement
“On two occasions I have been asked, ‘Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?’ …I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.”
—Charles Babbage, Passages from the Life of a Philosopher (1864)
Data Quality Measurement: the Problem we are Trying to Solve
One of the biggest challenges for data quality practitioners is defining how to measure the quality of data, especially as the uses of data evolve and the amount of data we depend on grows over time. The purpose of this book is to help people understand ways of measuring data quality so that they can improve the quality of ...
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