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Java for Data Science

You're reading from Java for Data Science

Product type Book

Published in Jan 2017

Publisher Packt

ISBN-13 9781785280115

Pages 386 pages

Edition 1st Edition

Languages

Concepts

Authors (2):

Richard M. Reese

Jennifer L. Reese

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Table of Contents (19) Chapters

Java for Data Science

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Getting Started with Data Science

2. Data Acquisition

3. Data Cleaning

4. Data Visualization

5. Statistical Data Analysis Techniques

6. Machine Learning

7. Neural Networks

8. Deep Learning

9. Text Analysis

10. Visual and Audio Analysis

11. Mathematical and Parallel Techniques for Data Analysis

12. Bringing It All Together

Hypothesis testing

Hypothesis testing is used to test whether certain assumptions, or premises, about a dataset could not happen by chance. If this is the case, then the results of the test are considered to be statistically significant.

Performing hypothesis testing is not a simple task. There are many different pitfalls to avoid such as the placebo effect or the observer effect. In the former, a participant will attain a result that they think is expected. In the observer effect, also called the Hawthorne effect, the results are skewed because the participants know they are being watched. Due to the complex nature of human behavior analysis, some types of statistical analysis are particularly subject to skewing or corruption.

The specific methods for performing hypothesis testing are outside the scope of this book and require a solid background in statistical processes and best practices. Apache Commons provides a package, org.apache.commons.math3.stat.inference, with tools for performing...

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Authors (2)

Richard M. Reese

Richard Reese has worked in the industry and academics for the past 29 years. For 10 years he provided software development support at Lockheed and at one point developed a C based network application. He was a contract instructor providing software training to industry for 5 years. Richard is currently an Associate Professor at Tarleton State University in Stephenville Texas. Richard is the author of various books and video courses some of which are as follows: Natural Language Processing with Java. Java for Data Science Getting Started with Natural Language Processing in Java

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Jennifer L. Reese

Jennifer L. Reese studied computer science at Tarleton State University. She also earned her M.Ed. from Tarleton in December 2016. She currently teaches computer science to high-school students. Her interests include the integration of computer science concepts with other academic disciplines, increasing diversity in computer science courses, and the application of data science to the field of education. She has co-authored two books: Java for Data Science and Java 7 New Features Cookbook. She previously worked as a software engineer. In her free time she enjoys reading, cooking, and traveling—especially to any destination with a beach. She is a musician and appreciates a variety of musical genres.

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