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Towards Data Science
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The world's leading publication for data science and artificial intelligence professionals.

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To stay relevant in 2026, Rashi Desai argues you need to build your ability to work with AI tools, but also double down on the human skills that make you stand out.
What I Am Doing to Stay Relevant as a Senior Analytics Consultant in 2026 | Towards Data Science
Learn how to work with AI, while strengthening your unique human skills that technology cannot replace
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February 10, 2026 at 10:19 PM
Stop writing blogs, and start building impact. We help you refine your technical work with editorial support and high-visibility tools. TDS is the home for authors who want to truly unpack complex topics.

Learn more 👉 bit.ly/TDSContributor
February 10, 2026 at 8:04 PM
AI workflow automation doesn’t require AGI or magical agents. Samir Saci shows how n8n and practical AI tools can create real impact for low-tech companies.
The Hidden Opportunity in AI Workflow Automation with n8n for Low-Tech Companies | Towards Data Science
How to use n8n with multimodal AI and optimisation tools to help companies with low data maturity accelerate their digital transformation.
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February 10, 2026 at 7:18 PM
From childhood drawing to efficient algorithms, Stefano Bosisio reflects on iteration, limits, and how local LLMs can help push performance further.
Using Local LLMs to Discover High-Performance Algorithms | Towards Data Science
How I used open-source models to explore new frontiers in efficient code generation, using my MacBook and local LLMs.
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February 9, 2026 at 7:18 PM
No massive clusters, no closed models. Stefano Bosisio explains how using local LLMs can unlock new approaches to algorithm discovery and code optimization.
Using Local LLMs to Discover High-Performance Algorithms | Towards Data Science
How I used open-source models to explore new frontiers in efficient code generation, using my MacBook and local LLMs.
towardsdatascience.com
February 9, 2026 at 1:34 AM
Build a simple but effective churn prediction model. Yassin Zehar explains how to use historical data on login frequency and feature usage to identify at-risk customers weeks before they cancel.
Why SaaS Product Management Is the Best Domain for Data-Driven Professionals in 2026 | Towards Data Science
How I use analytics, automation, and AI to build better SaaS
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February 8, 2026 at 7:18 PM
When SKUs influence each other, forecasts should reflect that reality. Partha Sarkar dives into how GNNs unlock a richer view of demand.
Time Series Isn’t Enough: How Graph Neural Networks Change Demand Forecasting | Towards Data Science
Why modeling SKUs as a network reveals what traditional forecasts miss
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February 8, 2026 at 4:27 PM
Time to learn the differences between loc and iloc once and for all — follow along Ibrahim Salami's accessible Pandas tutorial to avoid future confusion.
The Rule Everyone Misses: How to Stop Confusing loc and iloc in Pandas | Towards Data Science
A simple mental model to remember when each one works (with examples that finally click).
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February 8, 2026 at 2:47 PM
Leverage the power of Py-Spy to detect and prevent performance issues in your code — Kenneth McCarthy's new guide includes practical and actionable tips on how to do just that.
Why Is My Code So Slow? A Guide to Py-Spy Python Profiling | Towards Data Science
Stop guessing and start diagnosing performance issues using Py-Spy
towardsdatascience.com
February 8, 2026 at 1:34 AM
For a detailed, nuanced exploration of the inner workings of neural networks, look no further than @shortcause.bsky.social's new deep dive on mechanistic interpretability.
Mechanistic Interpretability: Peeking Inside an LLM | Towards Data Science
Are the human-like cognitive abilities of LLMs real or fake? How does information travel through the neural network? Is there hidden knowledge inside an LLM?
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February 7, 2026 at 7:18 PM
If your data pipeline fails silently until it doesn’t, this will feel familiar. Benjamin Nweke explains how he automated recovery from common Python ingestion issues.
Building a Self-Healing Data Pipeline That Fixes Its Own Python Errors | Towards Data Science
How I built a self-healing pipeline that automatically fixes bad CSVs, schema changes, and weird delimiters.
towardsdatascience.com
February 7, 2026 at 4:27 PM
If you're looking to improve your Pydantic skills, Mike Huls presents four powerful tips to help you validate large amounts of data more efficiently.
Pydantic Performance: 4 Tips on How to Validate Large Amounts of Data Efficiently | Towards Data Science
The real value lies in writing clearer code and using your tools right
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February 7, 2026 at 2:47 PM
"How much of your AI agent's output is real data versus confident guesswork?"

Inspired by Spotfiy's AI playlists, James Barney attempts to answer a highly consequential question with a smart and engaging project walkthrough.
Prompt Fidelity: Measuring How Much of Your Intent an AI Agent Actually Executes | Towards Data Science
How much of your AI agent's output is real data versus confident guesswork?
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February 6, 2026 at 10:05 PM
Day 1: Code. Day 2: Publish. 🚀 Level up your career by becoming a published TDS author. From senior engineers to researchers, our contributors are the voices shaping the future of AI.

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February 6, 2026 at 8:01 PM
Stop fitting straight lines to curved data. Learn from Gustavo Santos how to use Scikit-Learn's SplineTransformer to model non-linear trends with more flexibility and control than polynomials.
Mastering Non-Linear Data: A Guide to Scikit-Learn’s SplineTransformer | Towards Data Science
Forget stiff lines and wild polynomials. Discover why Splines are the "Goldilocks" of feature engineering, offering the perfect balance of flexibility and discipline for non-linear data using…
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February 6, 2026 at 7:18 PM
Vector databases aren’t always the answer for RAG. @taupirho.bsky.social argues that NumPy or scikit-learn may already cover what you need.
You Probably Don’t Need a Vector Database for Your RAG — Yet | Towards Data Science
Numpy or SciKit-Learn might meet all your retrieval needs
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February 6, 2026 at 4:47 PM
Build more robust forecasting pipelines with retrieval. Sara Nobrega dives into implementing embedding-based similarity search using tools like FAISS, Annoy, Qdrant, and Pinecone.
Retrieval for Time-Series: How Looking Back Improves Forecasts | Towards Data Science
Why Retrieval Helps in Time Series Forecasting We all know how it goes: Time-series data is tricky. Traditional forecasting models are unprepared for incidents like sudden market crashes, black swan…
towardsdatascience.com
February 6, 2026 at 3:04 PM
Curious about the differences between Azure ML and AWS SageMaker?

Destin Gong's popular series returns with part 2, focusing on the compute resources and runtime environments that power model-training jobs.
AWS vs. Azure: A Deep Dive into Model Training – Part 2 | Towards Data Science
This article covers how Azure ML's persistent, workspace-centric compute resources differ from AWS SageMaker's on-demand, job-specific approach. Additionally, we explored environment customization…
towardsdatascience.com
February 6, 2026 at 5:02 AM
Not sure how to tackle front- and backend development with Claude Code? Eivind Kjosbakken presents actionable insights based on his own experience.
How to Work Effectively with Frontend and Backend Code | Towards Data Science
Learn how to be an effective full-stack engineer with Claude Code
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February 5, 2026 at 10:05 PM
In the mood for a hands-on LLM tutorial? Avishek Biswas delivers, with a detailed, step-by-step guide to building autonomous memory retrieval systems.
How to Build Your Own Custom LLM Memory Layer from Scratch | Towards Data Science
Step-by-step guide to building autonomous memory retrieval systems
towardsdatascience.com
February 5, 2026 at 7:18 PM
Learn how you can leverage a plan–code–execute agentic architecture to build an end-to-end explainability agent, based on tools that are generated on demand. Partha Sarkar's deep dive lays out all the details you'll need to get started.
Plan–Code–Execute: Designing Agents That Create Their Own Tools | Towards Data Science
The case against pre-built tools in Agentic Architectures
towardsdatascience.com
February 5, 2026 at 5:28 PM
A 2:00 AM PagerDuty alert sparked a better way to build data pipelines. Benjamin Nweke shares how he created a system that fixes its own Python errors.
Building a Self-Healing Data Pipeline That Fixes Its Own Python Errors | Towards Data Science
How I built a self-healing pipeline that automatically fixes bad CSVs, schema changes, and weird delimiters.
towardsdatascience.com
February 5, 2026 at 3:05 PM
Treating demand forecasting as pure time series leaves value on the table. Partha Sarkar explains how Graph Neural Networks expose relationships traditional models miss.
Time Series Isn’t Enough: How Graph Neural Networks Change Demand Forecasting | Towards Data Science
Why modeling SKUs as a network reveals what traditional forecasts miss
towardsdatascience.com
February 5, 2026 at 1:34 AM
"Based on the predictions of a pre-trained Inception network, the Inception Score provides a quantitative estimate of a generative model’s ability to produce realistic and semantically meaningful images."

Giuseppe Pio Cannata looks at the inner workings of a useful metric.
The Proximity of the Inception Score as an Evaluation Criterion | Towards Data Science
The neighborhood of synthetic data
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February 4, 2026 at 10:27 PM
Meet Dan Yeaw, new TDS contributor. 👋 Dan walks us through the benefits of sharded indexing patterns for package management, sharing practical insights that can transform how development teams handle dependencies.

Become a TDS contributor: bit.ly/TDSContributor
Why Package Installs Are Slow (And How to Fix It) | Towards Data Science
How sharded indexing patterns solve a scaling problem in package management
towardsdatascience.com
February 4, 2026 at 8:15 PM