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Clean Data by Megan Squire

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Chapter 2. Fundamentals – Formats, Types, and Encodings

A few years ago, I received a very interesting present at my family's annual holiday gift exchange. It was a garde manger kitchen toolset that included a bunch of different knives as well as peelers, scoops, and zesters used to prepare vegetables and fruits. I learned to use each of the tools, and over time, I developed a special fondness for the channel knife and the tomato shark. This chapter is like your introductory data cleaning toolset. We will review:

  • File formats, including compression standards
  • The fundamentals of data types (including different types of missing data)
  • Character encodings

We will need all these fundamentals as we progress to later chapters. Some of the concepts that we'll ...

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