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Java: Data Science Made Easy

You're reading from   Java: Data Science Made Easy Data collection, processing, analysis, and more

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Product type Course
Published in Jul 2017
Publisher Packt
ISBN-13 9781788475655
Length 734 pages
Edition 1st Edition
Languages
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Authors (3):
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Alexey Grigorev Alexey Grigorev
Author Profile Icon Alexey Grigorev
Alexey Grigorev
Richard M. Reese Richard M. Reese
Author Profile Icon Richard M. Reese
Richard M. Reese
Jennifer L. Reese Jennifer L. Reese
Author Profile Icon Jennifer L. Reese
Jennifer L. Reese
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Toc

Table of Contents (29) Chapters Close

Title Page
Credits
Preface
1. Module 1
2. Getting Started with Data Science FREE CHAPTER 3. Data Acquisition 4. Data Cleaning 5. Data Visualization 6. Statistical Data Analysis Techniques 7. Machine Learning 8. Neural Networks 9. Deep Learning 10. Text Analysis 11. Visual and Audio Analysis 12. Visual and Audio Analysis 13. Mathematical and Parallel Techniques for Data Analysis 14. Bringing It All Together 15. Module 2
16. Data Science Using Java 17. Data Processing Toolbox 18. Exploratory Data Analysis 19. Supervised Learning - Classification and Regression 20. Unsupervised Learning - Clustering and Dimensionality Reduction 21. Working with Text - Natural Language Processing and Information Retrieval 22. Extreme Gradient Boosting 23. Deep Learning with DeepLearning4J 24. Scaling Data Science 25. Deploying Data Science Models 26. Bibliography

Summary


Machine learning is concerned with developing techniques that allow the applications to learn without having to be explicitly programmed to solve a problem. This flexibility allows such applications to be used in more varied settings with little to no modifications.

We saw how training data is used to create a model. Once the model has been trained, the model is evaluated using testing data. Both the training data and testing data come from the problem domain. Once trained, the model is used with other input data to make predictions.

 

We learned how the Weka Java API is used to create decision trees. This tree consists of internal nodes that represent different attributes of the problem. The leaves of the tree represent results. Since there are many ways of constructing a tree, part of the job of a decision tree is to create the best tree.

Support vector machines divide a dataset into sections thus classifying elements in the dataset. This classification s based on the attributes of...

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