machine learning

Linear Regression Is Actually a Projection Problem, Part 1: The Geometric Intuition

learns machine learning often starts with linear regression, not simply because it’s easy, but since it introduces us to the important thing concepts that we use in neural networks and deep learning. We already...

Why You Should Stop Worrying About AI Taking Data Science Jobs

that annoys me is the countless people online, in person, and even in my comments section saying “how AI will replace data scientists.” I find this frustrating since it often comes from individuals who...

Two-Stage Hurdle Models: Predicting Zero-Inflated Outcomes

Introduction , we recurrently encounter prediction problems where the end result has an unusual distribution: a big mass of zeros combined with a continuous or count distribution for positive values. If you happen to’ve worked...

The right way to Effectively Review Claude Code Output

can produce an incredible amount of content in a brief span. This may very well be creating recent features, reviewing production logs, or fixing a bug report. The bottleneck in software engineering and data...

How a Neural Network Learned Its Own Fraud Rules: A Neuro-Symbolic AI Experiment

systems inject rules written by humans. But what if a neural network could discover those rules itself? On this experiment, I extend a hybrid neural network with a differentiable rule-learning module that mechanically extracts...

Bayesian Considering for People Who Hated Statistics

hall, Tuesday morning. The professor uncaps a marker and writes across the whiteboard: . Your hand copies the formula. Your brain checks out somewhere across the vertical bar. If that memory just surfaced, you’re in...

The Causal Inference Playbook: Advanced Methods Every Data Scientist Should Master

If you've studied causal inference before, you most likely have already got a solid idea of the basics, just like the potential outcomes framework, propensity rating matching, and basic difference-in-differences. Nonetheless, foundational methods often...

The Multi-Agent Trap

has handled 2.3 million customer conversations in a single month. That’s the workload of 700 full-time human agents. Resolution time dropped from 11 minutes to under 2. Repeat inquiries fell 25%. Customer satisfaction scores...

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