Data Quality Assessment: Sparsity and Nullness

Blog Administrator | Analyzing Data, Analyzing Data Quality, Data Quality, Data Quality Assessment | , , , , , ,

By David Loshin

The first set of data quality assessment techniques that use column value frequency analysis focuses on the relationship of the population of values to the business processes that consume the data. The intent is to understand how the relative population of the column is associated with defined (or implicit) business rules, and then isolate and validate those rules.
Read More