Comments (3)
Praveen-Gupta
commented on May 3, 2024
There is one errata page mentioned at book URL page. This one is already
mentioned there.
Check
http://www.oreilly.com/catalog/errata.csp?isbn=0636920052289
…On 5 Jun 2017 11:27 p.m., "Julian" ***@***.***> wrote:
This code is in cell [22] of the notebook but does not appear on page 85
of the book.
y_train_perfect_predictions = y_train_5
@ageron <https://github.com/ageron> What is the best way to let you know
of items such as this one? I am going through the book in a very
methodical, slow manner; hence, I might find things that you might want to
know about.
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julianpraxis
commented on May 3, 2024
@Praveen-Gupta OK. Thank you. I will report "errors" I find in the book to the book's page at O'Reilly.
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ageron
commented on May 3, 2024
Thanks for your feedback @julianpraxis, and thanks @Praveen-Gupta for the helpful link.
For problems concerning the notebooks, filing a GitHub issue is the best option. For problems concerning the book, then the errata page that Praveen pointed to is the best option.
You'll find lots of content in the notebook that does not appear in the book. In general, it is on purpose, because the text explains something, and I want to keep the code as concise as possible, for readability. I understand that people may wonder where these "perfect predictions" come from, but if I write "y_train_perfect_predictions = y_train_5" I'm afraid other people may wonder why I'm writing this? The idea was that a perfect model, if you can train one, will give you a diagonal confusion matrix.
Hope this helps,
Aurélien
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