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I Like Notebooks

A Response to Joel Grus

Tim Hopper

Senior Data Scientist

Cylance, Inc

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🐦 @tdhopper

💻 tdhopper.com

📧 tdhopper@gmail.com

🖥 bit.ly/jupyterday

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bit.ly/jupyterday · @tdhopper

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xkcd.com/386/

bit.ly/jupyterday · @tdhopper

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“If you take one thing away from the talk it should be that ‘Data science code should follow the rules of good software engineering’”

Photo credit: (CC) Randy Stewart, blog.stewtopia.com.

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bit.ly/jupyterday · @tdhopper

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Jupyter would benefit from improvements to developer tooling

Linting

Auto-completion

RefactorinG

Testing

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bit.ly/jupyterday · @tdhopper

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Notebook

VERSION CONTROL

Photo credit: (CC) Randy Stewart, blog.stewtopia.com.

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bit.ly/jupyterday · @tdhopper

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hidden state that's easy to screw up and difficult to reason about

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Joel’s Solution

bit.ly/jupyterday · @tdhopper

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bit.ly/jupyterday · @tdhopper

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REPL doesn’t encourage good software engineering practice either

bit.ly/jupyterday · @tdhopper

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REPL + modules has the same issues as notebooks

bit.ly/jupyterday · @tdhopper

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Python modules/packages are not beginner friendly

bit.ly/jupyterday · @tdhopper

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Tools Have Tradeoffs

bit.ly/jupyterday · @tdhopper

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http://www.macdrifter.com/2018/09/jupyter-notebooks-at-netflix.html

bit.ly/jupyterday · @tdhopper

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Notebooks are bad because an aspect of them is challenging for beginners?

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Tim Hopper

Senior Data Scientist

Cylance, Inc.

​

​

🐦 @tdhopper

💻 tdhopper.com

📧 tdhopper@gmail.com

🖥 bit.ly/jupyterday

​