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You're reading from  The Machine Learning Workshop - Second Edition

Product typeBook
Published inJul 2020
Reading LevelIntermediate
PublisherPackt
ISBN-139781839219061
Edition2nd Edition
Languages
Python
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Machine Learning
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Hyatt Saleh
Hyatt Saleh
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Hyatt Saleh

Hyatt Saleh discovered the importance of data analysis for understanding and solving real-life problems after graduating from college as a business administrator. Since then, as a self-taught person, she not only works as a machine learning freelancer for many companies globally, but has also founded an artificial intelligence company that aims to optimize everyday processes. She has also authored Machine Learning Fundamentals, by Packt Publishing.
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Performance Analysis

In the following section, we will first perform error analysis using the accuracy metric as a tool to determine the condition that is affecting (in greater proportion) the performance of the algorithm. Once the model is diagnosed, the hyperparameters can be tuned to improve the overall performance of the algorithm. The final model will be compared to those that were created during the previous chapter in order to determine whether a neural network outperforms the other models.

Error Analysis

Using the accuracy score calculated in Activity 5.01, Training an MLP for Our Census Income Dataset, we can calculate the error rates for each of the sets and compare them against one another to diagnose the condition that is affecting the model. To do so, a Bayes error equal to 1% will be assumed, considering that other models in the previous chapter were able to achieve an accuracy level of over 97%:

Figure 5.9: Accuracy score and error rate of...

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The Machine Learning Workshop - Second Edition
Published in: Jul 2020Publisher: PacktISBN-13: 9781839219061
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Author (1)

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Hyatt Saleh

Hyatt Saleh discovered the importance of data analysis for understanding and solving real-life problems after graduating from college as a business administrator. Since then, as a self-taught person, she not only works as a machine learning freelancer for many companies globally, but has also founded an artificial intelligence company that aims to optimize everyday processes. She has also authored Machine Learning Fundamentals, by Packt Publishing.
Read more about Hyatt Saleh

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