Tag: Machine Learning
When 2 stage model breaks causal inference 

When 2 stage model breaks causal inference 

A subtle selection bias in machine learning-based causal inference can flip your results — here’s how to spot and fix it  Machine learning is great at predicting outcomes. But when we try to use it to estimate causal impact, especially in a two-stage setup,...

What Building AI Chatbots Taught Me About Simplicity

What Building AI Chatbots Taught Me About Simplicity

I spent months overengineering an AI chatbot. Then I threw most of it away and got better results in two weeks. This is an anecdote of what actually worked when I built production RAG systems at scale, and why the lessons surprised me. The Complexity Trap I was tasked...

Strategies to help your data & AI project avoid failure

Strategies to help your data & AI project avoid failure

Most data and AI projects don’t fail because teams chose the wrong infrastructure or modeling approach. They fail because the project breaks down somewhere across the lifecycle, long before folks realize. By the time something reaches production (if it does), teams...