Chapter 1: Data Management in the Analytics Process


A Continuous Process

Asking Questions that Data Can Help to Answer

Sourcing Relevant Data


Combining and Reconciling Multiple Sources

Identifying and Addressing Data Issues

Data Requirements Shaped by Modeling Strategies

Plan of the Book




Although reliable estimates are difficult to come by, there seems to be consensus that data preparation—locating, assembling, reconciling, merging, cleaning, and so on—consumes something like 80% of the time required for a statistical project (Press 2016). In comparison to the literature about building statistical models and performing analysis, there are relatively few books written on the topic ...

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