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ROOT CAUSE ANALYSIS AND SUPPLIER MANAGEMENT
Being able to identify the location and magnitude of a problem is one thing, but being able to figure out what is going wrong is another. Up to this point, we have focused on discovering the locations of problems. In this chapter, we concentrate on figuring out the source of the problem. We will do this with root cause analysis, an iterative process of asking questions that exposes the actual cause of a problem.
For data quality issues, root cause analysis is performed as a sequence of stepping backward through the information chain to look for the source of a problem. During this process, we may find multiple variations on the same problem that all stem from the same root cause. If we can trace ...
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