data science
data science on Beyond Market Intelligence: a running collection of 209 stories we have gathered and hand-picked because they are worth your time. Every post here touches on data science in some way — the news, the analysis, the deep dives, and the occasional surprise find. Acme AI is the next-generation, AI-powered spreadsheet platform built to replace Excel and redefine how analysts, data scientists, and enterprise teams work with data. New stories are added to this page as we find them, so check back if you want to keep up with what is happening around data science, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything Beyond Market Intelligence is covering right now.

RAG Is Not the Whole Toolkit: The NLP Techniques Real Problems Still Need
Retrieval-Augmented Generation (RAG) is a powerful technique, but it’s not a universal solution. Enterprise Document Intelligence, Vol. 1 #B00, explores why many real-world NLP challenges—from text classification to OCR cleanup—often benefit from more targeted approaches. Discover how selecting the right technique, rather than relying solely on RAG, can yield significant efficiency gains. Understanding these nuances is critical for optimizing AI pipelines. For deeper insights into leveraging large language models, consider "4 Claude Skills Every Data Scientist Needs in 2026."

4 Claude Skills Every Data Scientist Needs in 2026
Data scientists, prepare for the shift. By 2026, mastering Claude's capabilities will be essential for staying ahead. Our latest analysis identifies four key Claude skills – prompt engineering, structured output design, chain-of-thought reasoning, and agent orchestration – that will significantly enhance your workflow. Don't wait to integrate these into your toolkit; the future of data analysis demands it. Explore these vital skills today and empower your data journey. For deeper insights into the evolving AI landscape, see "Nvidia’s AI advantage is moving beyond the GPU."

Human-in-the-Loop Without Killing Throughput
Traditional Human-in-the-Loop (HITL) processes often create a bottleneck, slowing down AI agent throughput. Our approach redefines HITL, intelligently routing human attention only where it’s genuinely needed, preserving efficiency. We detail how we shifted from reviewing every agent action to a targeted system, dramatically improving both accuracy and speed. Explore the strategies that unlock scalable, high-quality AI oversight. For deeper insights into the broader AI landscape, see "Open-weight AI companies are the Valley’s hottest acquisition targets.”

Connecting My LangGraph AI Agent to Postgres
Connecting your LangGraph AI agent to a Postgres database unlocks powerful capabilities for data-driven workflows. This post details how to establish that connection, offering clear guidance for both local development and cloud deployment. We’ll explore setting up the backend using Docker for streamlined local testing, and then outline strategies for scaling to the cloud. For those tackling complex enterprise workflows, consider the recent exploration of an 8B AI model mirroring Claude Opus—a relevant challenge in managing substantial data sets.

Why Claude Code Time Estimates Are Poor
Large language models like Claude often provide inaccurate time estimates when generating code. This discrepancy stems from their probabilistic nature and limitations in fully simulating execution environments. Consequently, relying on these estimates can lead to unrealistic project timelines and frustrated developers. Learn why Claude's code time predictions fall short and, more importantly, how to become a more effective communicator when working with LLMs for programming tasks. For a deeper dive into related AI infrastructure challenges, see our article, "Connecting My LangGraph AI Agent to Postgres."

Meta Expands Its Custom Silicon Strategy From Compute Into Networking
Meta is strategically deepening its custom silicon capabilities, expanding beyond compute to encompass networking. The company recently unveiled MTIA 300, its inaugural in-house accelerator specifically engineered for training, ranking, and recommendation models. This development signals a future-focused approach to AI infrastructure, empowering Meta to optimize performance and control its data ecosystem. For further insights into Meta’s evolving data strategies, explore our analysis of the recent $18 billion settlement and its implications for children’s data.

Stop Giving Your AI Agent a Search Box and Start Giving It Typed Tools, Hard Bounds, and a Gate It Cannot Talk Past
Traditional AI agents relying on search boxes often stumble, lacking precision and control. A more effective approach involves equipping them with typed tools, hard boundaries, and a definitive gate—preventing unauthorized outputs. Our latest post explores this transformative shift, detailing how restricting context and enabling knowledge graph navigation within strict limits impacts performance. Through analysis of four models and a single critical misprediction, we reveal whether this method unlocks substantial improvements. Learn more about practical applications in "How to Work with AI Coding Agents."

How to Work with AI Coding Agents
AI coding agents promise better code, not just *more* code, and mastering their use is essential for modern data professionals. This practical guide explores how to effectively collaborate with these agents, maximizing their potential to streamline development and improve code quality. Discover strategies for prompting, evaluating outputs, and integrating AI assistance into your existing workflows. For a deeper understanding of the evolving roles of humans and AI in analytics, explore "Agentic AI Is Rewriting The Analytics Stack."

I Trained Six Models for Fraud Detection, and the Best One Isn't in Production
My final-year project involved training six distinct models for fraud detection, revealing a surprising disconnect between evaluation metrics and real-world production decisions. While one model demonstrably outperformed the others during testing, it remains untapped in our current system. This experience illuminated the critical gap between rigorous evaluation and practical implementation—a challenge many data scientists face. Interested in similar explorations of AI’s practical application? Check out "Catching bugs in scikit-learn [D]" for a deep dive into model reliability.

Agentic AI Is Rewriting The Analytics Stack But There's One Skill It Still Can't Touch
Agentic AI is rapidly reshaping the analytics stack, automating tasks previously requiring significant human effort. However, a critical distinction remains: strategic oversight. While agents excel at execution, humans retain the irreplaceable ability to define nuanced goals and adapt to unforeseen complexities. Understanding where agent capabilities best align with human judgment—and why—is paramount for maximizing productivity and mitigating risk. As Gravitee highlights in "Enterprise AI's real risk isn't autonomous agents," managing the interactions *between* agents is key.

Mastering the AI Project Cycle: From Concept to Production
Successfully deploying AI isn’t about model selection alone; it's about navigating a structured journey known as the AI Project Cycle. From precisely defining the problem to ongoing monitoring and refinement, this cycle ensures a robust and impactful AI system. Teams leveraging this approach consistently achieve better outcomes, moving beyond experimentation to sustainable production. Explore this essential framework and discover how to transform your AI initiatives. For a deeper dive into related challenges, see "Is Agentic AI Just Automation?".

Is Agentic AI Just Automation?
The rise of "Agentic AI" has sparked considerable excitement, but a critical question remains: is it truly transformative, or simply sophisticated automation? Many current agents operate as complex flowcharts, limiting their adaptability and problem-solving capabilities. This post explores why this architecture falls short and outlines a more effective approach to building genuinely intelligent agents. Delve deeper into maximizing coding agent performance with our guide, "How to Effectively Solve 100+ Tasks with Claude Code," for practical strategies.

Why Random Forest Needs to Be This Random
Bagging ensembles of decision trees offer improved predictive power, but reach a performance ceiling. The core limitation lies in the correlated errors of individual trees. This post explores why—revealing the equation that quantifies this constraint and presenting an experiment demonstrating its impact. Discover how introducing controlled randomness within the Random Forest algorithm overcomes this barrier, unlocking significantly enhanced accuracy. For a deeper dive into related AI challenges, see our article, "Hallucinations, Watermarks, Removers, and a Squeezed Balloon.”

How to Effectively Solve 100+ Tasks with Claude Code
Facing a deluge of coding tasks? Discover how to effectively manage 100+ tasks with Claude Code, empowering your workflow through intelligent coding agents. This post explores practical strategies for leveraging Claude’s capabilities to streamline your development process and maximize productivity. Learn to delegate, automate, and optimize your coding efforts, moving beyond the limitations of traditional methods. For deeper insights into the evolving landscape of AI agents, explore "Runable hits $21M to bet AI agents can go from building businesses to growing them."

How Does a RAG Reranker Really Work?
Confused by Retrieval-Augmented Generation (RAG) rerankers? Data scientists often struggle to articulate precisely what these models *do* under the hood. Our latest article, "How Does a RAG Reranker Really Work?", cuts through the ambiguity, revealing the mechanics that drive improved relevance. Understanding this process isn't just academic—it directly impacts architectural decisions for robust enterprise RAG deployments. For deeper insights into LLM applications, explore "Presentation: Can Claude Fix Itself?" and discover practical lessons on incident response.

Hallucinations, Watermarks, Removers, and a Squeezed Balloon
Navigating the evolving landscape of AI models reveals intriguing phenomena: hallucinations, watermarks, and removal techniques. Watermarks, acting as indicators of model uncertainty—mirroring the behavior of safety checks designed to catch AI errors—provide a crucial layer of transparency. Understanding these elements, alongside the ability to mitigate hallucinations and remove watermarks, is paramount for responsible AI development. For a deeper dive into complex data navigation, explore "Recursive CTEs: SQL’s Hidden Graph Traversal Engine" and unlock powerful analytical capabilities.

One Document Type, a Million Files: Structured Extraction into the SQL Table RAG Queries
Unlock the power of your enterprise data with structured extraction. This guide, "One Document Type, a Million Files," details a streamlined approach to transforming unstructured documents into SQL tables optimized for Retrieval-Augmented Generation (RAG) queries. In just one hour with two people, extract six to ten key fields, leveraging signals to ensure data integrity and filter accuracy. Explore how this method empowers efficient data access and analysis—a critical step toward future-focused data management.

A New Towards Data Science: A Faster Site and a Brand-New Contributor Portal
Towards Data Science is evolving to better serve our community. We've completely rebuilt our website and launched a brand-new contributor portal, designed to enhance both reading and writing experiences. Expect a noticeably faster site and streamlined submission process. This transformation empowers data scientists and enthusiasts to explore insights and share expertise more effectively. For those interested in the broader landscape of AI-powered tools, consider our recent piece on Claude’s expanded memory capabilities. Discover the improvements and unlock your data storytelling potential today.

Recursive CTEs: SQL’s Hidden Graph Traversal Engine
Unlock the power of SQL for graph-like data manipulation with Recursive Common Table Expressions (CTEs). This practical guide reveals how CTEs function as SQL’s hidden engine for traversing hierarchies, identifying routes, and detecting cycles—capabilities often overlooked. Discover how to calculate degrees of separation and efficiently analyze complex relational structures. For a deeper dive into the nuances of context management within these workflows, explore "AI Agents Don’t Need More Context — They Need Typed Context."

AI Agents Don’t Need More Context — They Need Typed Context
AI agents face a critical challenge: not simply a lack of context, but a failure to properly *type* it. When disparate elements like instructions and retrieved data are flattened, semantic boundaries blur, hindering performance. Our lightweight Python runtime addresses this by maintaining explicit boundaries, tracking provenance, and proactively rejecting invalid transformations. Explore the implementation and guarantees of this approach, which offers a refined solution for managing AI agent context—as discussed further in "Can an LLM Forget the Right Things?".

10 Positions for Enterprise RAG That Mainstream Tutorials Get Wrong
Enterprise RAG (Retrieval-Augmented Generation) implementation frequently misses critical nuances. This series, "Enterprise Document Intelligence [Vol.1 #M3]," identifies ten foundational positions often overlooked in mainstream tutorials, providing a comprehensive framework for robust data retrieval. We map every article in the series to these positions, ensuring clarity and actionable insights. Discover a future-focused approach to enterprise RAG, moving beyond basic techniques. For a deeper dive into building production-ready workflows, explore "Build an End-to-End Data Science Project with Grok Build and Grok 4.6."

Can an LLM Forget the Right Things?
Large Language Models (LLMs) often operate without awareness of real-time constraints, a limitation this innovative runtime directly addresses. Unlike typical inference systems, it prioritizes timely execution – refusing to run if it risks missing critical deadlines, like controlling a robot. This architecture, entirely hand-written in CUDA, intelligently manages its KV cache by meaning, not just age. Explore the details in "Can an LLM Forget the Right Things?" and delve deeper into enterprise applications with "10 Positions for Enterprise RAG That Mainstream Tutorials Get Wrong."

Build an End-to-End Data Science Project with Grok Build and Grok 4.6
Ready to build a production-ready data science project from start to finish? With Grok Build and Grok 4.6, you can streamline your workflow, encompassing everything from Exploratory Data Analysis (EDA) and scikit-learn model training to FastAPI API creation, rigorous testing, and seamless cloud deployment. This comprehensive approach empowers you to transform raw data into impactful, scalable solutions. For a deeper dive into related techniques, explore our recent article on "Implementing Watermarking for Language Models."

Survival Analysis and the Cox Proportional Hazards Model: A Beginner-Friendly Guide
Unlock the power of understanding time-to-event data with our beginner-friendly guide to Survival Analysis and the Cox Proportional Hazards Model. We demystify essential concepts, from Kaplan-Meier curves to hazard ratios, providing clear explanations and actionable insights. Throughout, you'll find runnable Python code to solidify your understanding and apply these techniques to your own datasets. If you're interested in managing complex data relationships, consider "Multi-Document RAG" for a deeper dive into document intelligence. Empower your data journey—start exploring today.