Tools and Techniques
The ability to predict psychological traits from Facebook Likes seems to be constantly in the news these days but how much can you really learn about a person from their Likes? This article by Thomas Ebermann explores the issues and shows how to create a machine learning model to find out.
Misunderstanding the differences between data science and data engineering positions can create a lot of problems for teams and the organizations they work for. This post explores these two key roles, including the skills they each require, how to decide how many of each you need, and common issues that result from not fully appreciating how these roles differ.
This is a great, and growing, list of Recommender Systems. Includes SaaS products, open source recommenders, academic research projects, benchmarking tools, media applications, and recommended reading.
Wikidata serves as the central data storage for the Wikimedia projects, which includes Wikipedia. It contains more than 46 million data items and it's free to use. The one catch is that it's organized as an RDF database that uses the SPARQL query language. This post offers a gentle introduction to what that means, why it's useful, and how to get started with it.
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