Data Science Roundup #48: Databases, Scalability, and Shipping Routes
This week is a deep dive into databases, programming, and scalability. Plus, a useful color palette tool and an impressive visualization of global shipping. Enjoy!
This week's best data science articles
This is a seriously intense discussion of the implementation details of databases, breaking down the functionality provided by both the query engine and storage engine. While much of this goes far beyond what you need to know to do your job, it’s incredibly helpful to understand what’s going on under the hood in a database. This is a long post, but well worth it.
With R, you’ll immediately run into problems when your dataset size exceeds the memory size on your local machine. At that point, you have three options: scale up, scale out, or using R as an abstraction layer. This post walks you through the decision.
Filtering inappropriate content with the Cloud Vision API
Want to incorporate content filtering in your new app? Now it’s easy. Google’s Cloud Vision API can detect inappropriate content in images using the same machine learning models that power Google SafeSearch. Another very hard problem solved and packaged up as an API.
If you use Python, you almost definitely use pip. But did you know the history behind Python package management? As someone who’s joined the Python community relatively recently, this was an interesting history lesson to me. To others, it’ll be a fun walk down memory lane :)
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Teaching Python and R to Work Together
Ever run into a package that exists in R but not in Python? Or vice versa? This article goes through a package development technique that is becoming increasingly common for major packages: write the underlying implementation in C and then develop language bindings in both Python and R. This article won’t make you a C developer, but it’s a useful technique to understand.
Colorgorical - Easy Color Palettes
This tool is an easy way to come up with color palettes for non-designers. It gives you a ton of configuration options and outputs color values. Easy. Now please, stop making all of your charts in the same colors that Excel chose as defaults in 1997.
Data viz of the week
Click on the image for an interactive world shipping map. Very impressive.
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The internet's most useful data science articles. Curated with ❤️ by Tristan Handy.
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