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  • Book Overview & Buying Principles of Data Science
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Principles of Data Science

Principles of Data Science - Second Edition

By : Sinan Ozdemir, Kakade, Tibaldeschi
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Principles of Data Science

Principles of Data Science

By: Sinan Ozdemir, Kakade, Tibaldeschi

Overview of this book

Need to turn programming skills into effective data science skills? This book helps you connect mathematics, programming, and business analysis. You’ll feel confident asking—and answering—complex, sophisticated questions of your data, making abstract and raw statistics into actionable ideas. Going through the data science pipeline, you'll clean and prepare data and learn effective data mining strategies and techniques to gain a comprehensive view of how the data science puzzle fits together. You’ll learn fundamentals of computational mathematics and statistics and pseudo-code used by data scientists and analysts. You’ll learn machine learning, discovering statistical models that help control and navigate even the densest datasets, and learn powerful visualizations that communicate what your data means.
Table of Contents (17 chapters)
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16
Index

Summary

The type of data that you are working with is a very large piece of data science. It must precede most of your analysis because the type of data you have impacts the type of analysis that is even possible!

Whenever you are faced with a new dataset, the first three questions you should ask about it are the following:

  • Is the data organized or unorganized? For example, does our data exist in a nice, clean row/column structure?
  • Is each column quantitative or qualitative? For example, are the values numbers, strings, or do they represent quantities?
  • At what level is the data in each column? For example, are the values at the nominal, ordinal, interval, or ratio level?

The answers to these questions will not only impact your knowledge of the data at the end but will also dictate the next steps of your analysis. They will dictate the types of graphs you are able to use and how you interpret them in your upcoming data models. Sometimes, we will have to convert from one level to another in order...

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Principles of Data Science
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