Research on statistical arbitrage in U.S. equities (1997–2007) shows that PCA-based strategies achieved average annual Sharpe ...

Discover how Excel’s Copilot uses AI to automate tasks like summarization and data cleanup. Is it the productivity breakthrough you need?

Overview Beginner-friendly books simplify Python, R, statistics, and machine learning concepts.Practical examples and ...

What first drew you into the world of data, and what has kept you motivated over the years?I like to say data found me as ...

Discover expert Power Query tips to reduce steps, streamline workflows, and optimize performance for cleaner, faster data ...

Every day, we face risk. Of course, the amount can vary: a firefighter who also does base jumping on their time off and an ...

Learning python automation isn’t just for coders anymore; it’s becoming a really useful skill for anyone who uses a computer ...

Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

French investigative reporter and data journalist Raphaëlle Aubert shares the methods and the data behind her team's major investigation into Europe’s polluted groundwater crisis.

Overview Clear prompts help machine learning models become more accurate and reliable.Role-specific prompts generate focused ...

Check how to become a Data Scientist in 2025. Learn essential skills, educational paths, career roadmap, salaries, and growth opportunities.

This article rounds up some of the most valuable free data science courses offered by top institutions like Harvard, IBM, and ...