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Machine Learning Fundamentals

Machine Learning Fundamentals

By : Hyatt Saleh
5 (3)
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Machine Learning Fundamentals

Machine Learning Fundamentals

5 (3)
By: Hyatt Saleh

Overview of this book

As machine learning algorithms become popular, new tools that optimize these algorithms are also developed. Machine Learning Fundamentals explains you how to use the syntax of scikit-learn. You'll study the difference between supervised and unsupervised models, as well as the importance of choosing the appropriate algorithm for each dataset. You'll apply unsupervised clustering algorithms over real-world datasets, to discover patterns and profiles, and explore the process to solve an unsupervised machine learning problem. The focus of the book then shifts to supervised learning algorithms. You'll learn to implement different supervised algorithms and develop neural network structures using the scikit-learn package. You'll also learn how to perform coherent result analysis to improve the performance of the algorithm by tuning hyperparameters. By the end of this book, you will have gain all the skills required to start programming machine learning algorithms.
Table of Contents (8 chapters)
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Evaluating the Performance of Clusters


After applying a clustering algorithm, it is necessary to evaluate how well the algorithm has performed. This is especially important when it is difficult to visually evaluate the clusters, for example, when there are several features.

Usually, with supervised algorithms, it is easy to evaluate the performance by simply comparing the prediction of each instance with its true value (class). On the other hand, when dealing with unsupervised models, it is necessary to pursue other strategies. In the specific case of clustering algorithms, it is possible to evaluate performance by measuring the similarity of the data points that belong to the same cluster.

Available Metrics in Scikit-Learn

Scikit-learn allows its users to use two different scores for evaluating the performance of unsupervised clustering algorithms. The main idea behind these scores is to measure how well-defined the cluster's edges are, instead of measuring the dispersion within a cluster...

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Machine Learning Fundamentals
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