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Java Data Analysis

Java Data Analysis

By : John R. Hubbard
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Java Data Analysis

Java Data Analysis

By: John R. Hubbard

Overview of this book

Data analysis is a process of inspecting, cleansing, transforming, and modeling data with the aim of discovering useful information. Java is one of the most popular languages to perform your data analysis tasks. This book will help you learn the tools and techniques in Java to conduct data analysis without any hassle. After getting a quick overview of what data science is and the steps involved in the process, you’ll learn the statistical data analysis techniques and implement them using the popular Java APIs and libraries. Through practical examples, you will also learn the machine learning concepts such as classification and regression. In the process, you’ll familiarize yourself with tools such as Rapidminer and WEKA and see how these Java-based tools can be used effectively for analysis. You will also learn how to analyze text and other types of multimedia. Learn to work with relational, NoSQL, and time-series data. This book will also show you how you can utilize different Java-based libraries to create insightful and easy to understand plots and graphs. By the end of this book, you will have a solid understanding of the various data analysis techniques, and how to implement them using Java.
Table of Contents (14 chapters)
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13
Index

The Mongo database system


The Mongo database system, MongoDB, has been in development since 2007. It has become the most widely used NoSQL database system. The name is a substring of the word humongous, suggesting that it works well with very large datasets (it has also been suggested that the name is after a character, played by the great NFL defensive tackle, Alex Karras, in the Mel Brooks movie, Blazing Saddles). The system is described as a document-oriented database.

You can download MongoDB from https://www.mongodb.com/download-center.

See the Appendix for details on installing MongoDB.

After installing MongoDB, start the database system with the mongo command, as shown in Figure 10-3. We are using the command line here. This is done using the Terminal app on a Mac, the Command Prompt on a PC, and a Shell window on a UNIX box.

Figure 10-3. Starting the Mongo database system from the command line

The output continues for many more lines, and then it pauses.

Set that command window aside,...

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