A practical guide to building, testing, and documenting SQL transformations

The post Getting started with dbt appeared first on Towards Data Science.

Understanding permutation symmetry in deep learning, and what it means for weight averaging and model merging

The post The Symmetry That Breaks Neural Network Averaging appeared first on Towards Data Science.

How we split a tightly coupled Python pipeline into independently deployable services

The post When One Process Becomes Too Much: Splitting a Pipeline into MCP Services appeared first on Towards Data Science.

Statistical thinking beyond formulas

The post 10 Statistical Traps We Often Overlook appeared first on Towards Data Science.

My first impressions of OpenAI's new frontier model

The post How to Maximize GPT-6 Astra appeared first on Towards Data Science.

How model validation standards are changing for LLM-based systems: what breaks, what carries over, and how to test output quality

The post The Model Validation Playbook for GenAI: Lessons from Banking appeared first on Towards Data Science.

Learn how to simulate reality with Python

The post A Beginner’s Guide to World Models appeared first on Towards Data Science.

Towards Data Science launches a video showcase for real-world AI work

The post Introducing ShipAI appeared first on Towards Data Science.

A context window can be technically complete and still describe a world that no longer exists. I built a deterministic benchmark to measure the cost of acting on stale context.

The post Context Windows Don’t Know What’s Still True — I Built a Validity Layer That Does appeared first on Towards Data Science.

I saved my day with a mere $52 bill. But you don't have to repeat my mistake.

The post I Vibe-Coded an App in Just Two Hours (And Regretted It the Next Day) appeared first on Towards Data Science.

How to catch a payload that looks correct but isn't, using a watchdog pattern with working Python.

The post Why Most Multi-Agent Systems Fail Even When Evaluation Passes appeared first on Towards Data Science.

AI companies quietly watermark billions of words a day. Here’s how to apply the same three families of techniques to your own writing—and what real experiments reveal about which watermarks survive copy-paste, editing, and paraphrasing.

The post Text Watermarking in Python: Catch Whoever Copies Your Writing appeared first on Towards Data Science.

Using LDA for dimensionality reduction in classification problems

The post Linear Discriminant Analysis (LDA) in Real-Life: Dimensionality Reduction in a Real-Estate Dataset appeared first on Towards Data Science.

From scalar observations to self-attention, and how positional information restores sequence order

The post Why Transformers Need Positional Encoding For Time Series: A Visual Guide appeared first on Towards Data Science.

Improving reinforcement learning for complex physics

The post Dynamical System Transfer Learning with Reduced Order Models appeared first on Towards Data Science.

Why the default 50/50 split is the wrong move when your treatment is more expensive than your control, and how cost-based sampling weights fix it

The post Optimal Traffic Allocation Under Heterogeneous Variant Cost appeared first on Towards Data Science.

Three conditions that must hold before splitting prefill from decode pays off, and why chunked prefill is the right default below that threshold.

The post Disaggregation Is a Thousand-GPU Problem appeared first on Towards Data Science.

Power BI Premium is gone. Microsoft Fabric took its place. Here's what actually changed for you, what didn't, and where to start — without the panic.

The post The Power BI Developer's Survival Guide to Microsoft Fabric appeared first on Towards Data Science.

Learn how to run a lot of parallel coding agents without expensive, powerful hardware at home

The post How to Run 10+ Claude Code Sessions Without a Powerful Computer appeared first on Towards Data Science.

Turning a trained churn classifier into a FastAPI service that other software can actually call.

The post My Model Worked Perfectly. Then I Tried to Make It Useful. appeared first on Towards Data Science.