Chapter 3: Data – What Is It Really?
This chapter presents a conceptual understanding of data and introduces data concepts, definitions, and theories that are essential for effective data preprocessing. First, the chapter demystifies the word "data" and presents a definition that best serves data preprocessing. Next, it puts forth the universal data structure, table, and the common language everyone uses to describe it. Then, we will talk about the four types of data values and their significance for data preprocessing. Finally, we will discuss the statistical meanings of the terms information and pattern and their significance for data preprocessing.
The following topics will be covered in this chapter:
- What is data?
- The most universal data ...
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