Data scientists, you need this skill. — Critical thinking uses logic to connect ideas and evaluate facts to develop a belief about a situation. In other words, a critical thinker logically uses the information to build a better understanding and solve a problem. …

Today we have access to a continuous flow of data from all over the place. Classification models are one of the most popular machine learning tools for finding patterns among data and making sense of it so that we can reveal relevant insights for decision-making. They are a form of…

How can you draw relevant conclusions without knowing anything about the underlying data? — Let’s say you dream about building your own fishing cabin along the lake. In your garage, you find a bunch of tools, a pile of wooden planks, various nails, and screws. Would you rather: a) Start immediately to build the walls, without checking if you have enough nails, a proper…

Our (love-)story with Spark started when the company decided to venture into the exciting world of AI. Very quickly, we came across the Databricks platform, and, after exploring it during a two-weeks POC, we were ready for the rumble. Starting to work on Spark can feel like we (almost) have…

Most firms that think they want advanced AI/ML really just need linear regression on cleaned-up data [Robin Hanson] Beyond the sarcasm of this quote, there is a reality: of all the statistical techniques, regression analysis is often referred to as one of the most significant in business analysis. Most companies…

Avoid the most common pitfalls with this reading — Indexes are potent indicators for global and country-specific economies. They are massively used by governments and traders to formulate economic policies, refine external trade, and measure changes in money value. Indexes are meant to reflect changes in a variable (or group of variables) regarding, for example, time or geographical location…

A quick overview of how it creates a unique listening experience. — 8D music sounds like we are talking about a new kind of audio technology coming straight from the future. In reality, this technology along with ambisonics existed since the ’70s, but never really took off. But all of a sudden, a message promoting the new music of the Pentatonix composed…

What is Random Forest? According to the official documentation: “A random forest is a meta estimator that fits a number of decision tree classifiers on various sub-samples of the dataset and uses averaging to improve the predictive accuracy and control over-fitting. …