Backtests often look far better on paper than they do in live markets. The usual reason is not that the idea was completely wrong. It is that the strategy was tuned too closely to the past, then ...

Last time, we learned how to read and write CSV files. This time, it is exception handling. No matter how carefully you write a program, unexpected things happen during execution. A file is not found, ...

I formatted the AMeDAS station master data, converted it to JSON / GeoJSON format, and registered it on GitHub. I plan to use this as a foundation for future weather data analysis and GIS ...

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 ...

Why write SQL queries when you can get an LLM to write the code for you? Query NFL data using querychat, a new chatbot component that works with the Shiny web framework and is compatible with R and ...

There’s a lot to know about search intent, from using deep learning to infer search intent by classifying text and breaking down SERP titles using Natural Language Processing (NLP) techniques, to ...

Data analysis is an integral part of modern data-driven decision-making, encompassing a broad array of techniques and tools to process, visualize, and interpret data. Python, a versatile programming ...

Optimized apps and websites start with well-built code. The truth, however, is that you don't need to worry about performance in 90% of your code, and probably 100% for many scripts. It doesn't matter ...

GMapsScraper is a fast, multi-threaded Google Maps scraper written in Python — with no API key required. It extracts business leads from Google Maps search results: name, category, rating, reviews, ...