How can I measure data quality effectively?
Measuring data quality involves assessing accuracy, completeness, consistency, and timeliness. What specific aspect are you interested in?
I'm particularly concerned about accuracy. How do I assess that?
To assess accuracy, you can compare your data against a trusted source or benchmark. Have you identified a reliable source for comparison?
Yes, I have a database that I can use for comparison. What should I do next?
Next, perform a data profiling analysis to identify discrepancies between your dataset and the benchmark. This will help you quantify accuracy.
What tools can I use for data profiling?
There are several tools available, such as Talend, Informatica, and Apache Nifi. Each has unique features for data profiling.
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