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Mastering Java Machine Learning by Krishna Choppella, Dr. Uday Kamath

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Machine learning – concepts and terminology

In this section, we will describe the different concepts and terms normally used in machine learning:

  • Data or dataset: The basics of machine learning rely on understanding the data. The data or dataset normally refers to content available in structured or unstructured format for use in machine learning. Structured datasets have specific formats, and an unstructured dataset is normally in the form of some free-flowing text. Data can be available in various storage types or formats. In structured data, every element known as an instance or an example or row follows a predefined structure. Data can also be categorized by size: small or medium data have a few hundreds to thousands of instances, whereas

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