19 Dec Towards Data Science AI The Machine Learning “Advent Calendar” Day 19: Bagging in Excel Posted by walter December 19, 2025 0 Understanding ensemble learning from first principles in Excel Continue reading
19 Dec Towards Data Science AI Agentic AI Swarm Optimization using Artificial Bee Colonization (ABC) Posted by walter December 19, 2025 0 Using Agentic AI prompts with the Artificial Bee Colony algorithm to enhance unsupervised clustering and optimization workfl... Continue reading
19 Dec Towards Data Science AI How I Optimized My Leaf Raking Strategy Using Linear Programming Posted by walter December 19, 2025 0 From a weekend chore to a fun application of valuable operations research principles Continue reading
19 Dec Towards Data Science AI Six Lessons Learned Building RAG Systems in Production Posted by walter December 19, 2025 0 Best practices for data quality, retrieval design, and evaluation in production RAG systems Continue reading
18 Dec Towards Data Science AI The Machine Learning “Advent Calendar” Day 18: Neural Network Classifier in Excel Posted by walter December 18, 2025 0 Here is a **short, clear excerpt**, written in your style and suitable for Medium or Towards Data Science: --- Neural networ... Continue reading
18 Dec Towards Data Science AI 4 Ways to Supercharge Your Data Science Workflow with Google AI Studio Posted by walter December 18, 2025 0 With concrete examples of using AI Studio Build mode to learn faster, prototype smarter, communicate clearer, and automate q... Continue reading
18 Dec Towards Data Science AI The Subset Sum Problem Solved in Linear Time for Dense Enough Inputs Posted by walter December 18, 2025 0 An optimal solution to the well-known NP-complete problem, when the input values are close enough to each other. Continue reading
18 Dec Towards Data Science AI Generating Artwork in Python Inspired by Hirst’s Million-Dollar Spots Painting Posted by walter December 18, 2025 0 Using Python to generate art Continue reading
17 Dec Towards Data Science AI A Practical Toolkit for Time Series Anomaly Detection, Using Python Posted by walter December 17, 2025 0 Here's how to detect point anomalies within each series, and identify anomalous signals across the whole bank Continue reading
17 Dec Towards Data Science AI The Machine Learning “Advent Calendar” Day 17: Neural Network Regressor in Excel Posted by walter December 17, 2025 0 Neural networks often feel like black boxes. In this article, we build a neural network regressor from scratch using only Ex... Continue reading