When comparing tourism spending in two regions or price trends for two items in university seminars or reports, are you satisfied with looking only at the 'average'? Let me state the conclusion: in ...

While databases offer very efficient ways to store data and query them using query languages, the most flexible way of data processing is writing your own program to manipulate data. In many cases, ...

When it comes to working with data in a tabular form, most people reach for a spreadsheet. That’s not a bad choice: Microsoft Excel and similar programs are familiar and loaded with functionality for ...

From zero to production in 6–9 months. What to learn, what to skip, and why most tutorials fail. I’m going to be honest with you. Most AI agent tutorials are garbage. They show you how to copy-paste ...

This Python code can be used to plot a heat map over an image of the periodic table of elements for easy and automated visualization of periodic trends. The plotter() function reads a pandas DataFrame ...

Posit’s ggbot2 is a voice assistant for ggplot2. Tell it what you want in a spoken conversation, and it will generate plots and ggplot2 R code from your data. Typing questions into a chatbot is nice, ...

In this tutorial, we’ll build on the foundation laid in the “Arduino-Based Solar Power System Using Python & Machine Learning, Part 1” project by exploring how to intelligently select and use machine ...