— In the News —
Great data detective story! For months, a train line suffered from mysterious disruptions and created confusion and distress. Here's how a team of data scientists saved the day.
Fresh food accounts for up to 40 percent of grocery store revenue. It's also perishable, demand is highly variable, and lead times are often uncertain. This McKinsey article explores machine learning approaches for an industry that isn't known for cutting-edge data science.
Is it really a useful tool or is this latest craze distorting economics?
— Sponsored Link —
Mode is a SQL editor, Python notebook, and visualization builder all rolled into one. Explore data with SQL and pass results instantly into a Python notebook for further exploration and visualization. Pick and choose output cells to present to others, or send the whole notebook—you can even share with people who don't have a Python environment set up.
— Tools and Techniques —
This interactive tutorial demonstrates some basic numerical optimization algorithms. Includes useful descriptions, linked references, and a Github repo. Highly recommended.
Here's how Stripe has operationalized data science, including the thinking behind its decisions.
These three mistakes are common and are easy to avoid.
Introduction to probabilistic programming, starting with the basics: what it is, what it's good for, and how to use it. Includes useful references and applications. This is very well done.
— Resources —
MusicNet is a collection of 330 freely licensed classical music recordings with curated fine-level annotations. This new dataset is designed to teach classical music to algorithms.
— Data Viz —
Many datasets have some kind of geospatial component to them. Python provides a rich toolset for working in this domain, and recent advances have greatly simplified and consolidated them. This is a great tutorial that explores a dataset of AirBnB locations.
Enrico Bertini from the Data Stories podcast collected some of the best links, notes, and projects from this year's IEEE VIS conference. This isn't just a list. Each reference includes a useful synopsis.