Data Science Weekly - Issue 632Curated news, articles and jobs related to Data Science, AI, & Machine Learning
Issue #632 |
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Last Week’s Poll:
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Featured Book
PROBABLY OVERTHINKING IT
Use Data to Answer Questions and Make Better Decisions
By Allen B. Downey, author of Think Python, Think Bayes, and Think Stats
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Now in Paperback!
Think more clearly about data, avoid common statistical pitfalls, and make better decisions in an uncertain world.
Allen speaking about the book: “Probably Overthinking It” Google Talk
“It demands more intellectual engagement than a typical pop science book, drawing readers in with its broad scope of topics and colorful storytelling.”
Book Review by “Implicit Assumptions: “Probably Overthinking It” Book Review
Available from Bookshop.org and Amazon (affiliate links).
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Data Science Articles & Videos
ML System Design Case Studies Repository
This repository contains a curated collection of 300+ case studies from over 80 companies, detailing practical applications and insights into machine learning (ML) system design. The contents are organized to help you easily find relevant case studies based on industry or specific ML use cases…How much of your (Data) job is actually “selling” your work? [Reddit]
What % of your role is convincing stakeholders to act on your recommendations? Do you like that part, and how did you learn to do it well? Or are you in an environment where good analysis & models naturally leads to implementation?..
Best Data Visualization Projects of 2025
Another year. It passed extremely fast and yet, painfully slow. Despite developing tech that some think might take over our day-to-day work, data things got made by people this year. These are my (Nathan Yau’s) favorites…Python Numbers Every Programmer Should Know
There are numbers every Python programmer should know. For example, how fast or slow is it to add an item to a list in Python? What about opening a file? Is that less than a millisecond? Is there something that makes that slower than you might have guessed? If you have a performance sensitive algorithm, which data structure should you use? How much memory does a floating point number use? What about a single character or the empty string? How fast is FastAPI compared to Django? I wanted to take a moment and write down performance numbers specifically focused on Python developers. Below you will find an extensive table of such values…Old-School Interpretability for LLMs (SHAP Isn’t Dead)
Mechanistic interpretability has taken most of the spotlight when it comes to the interpretation of LLMs. Unfortunately, except for some initial sparks, mechanistic interpretability hasn’t delivered. Especially not for users of large language models. But what about the good old methods of interpreting machine learning models, like Shapley values and other methods that explain the outcome by attributing it to the inputs? Explaining LLMs with such tools is a bit more complex than explaining, say, a random forest regressor on the California housing data, but it’s feasible. In this post, I motivate how attribution methods for LLMs work…For people who have worked as BOTH Data Scientist and Data Engineer: which path did you choose long-term, and why? [Reddit]
I’m trying to decide between Data Science and Data Engineering, but most advice I find online feels outdated or overly theoretical. With the data science market becoming crowded, companies focusing more on production ML rather than notebooks, increasing emphasis on data infrastructure, reliability, and cost, and AI tools rapidly changing how analysis and modeling are done, I’m struggling to understand what these roles really look like day to day. What I can’t get from blogs or job postings is real, current, hands-on experience, so I’d love to hear from people who are currently working (or have recently worked) in either role: how has your job actually changed over the last 1–2 years…Artificial Intelligence for Microbiology and Microbiome Research
This review provides a comprehensive overview of AI-driven approaches tailored for microbiology and microbiome studies, emphasizing both technical advancements and biological insights. We begin with an introduction to foundational AI techniques, including primary machine learning paradigms and various deep learning architectures, and offer guidance on choosing between traditional machine learning and sophisticated deep learning methods based on specific research goals. The primary section on application scenarios spans diverse research areas, from taxonomic profiling, functional annotation & prediction, microbe-X interactions, microbial ecology, metabolic modeling, precision nutrition, clinical microbiology, to prevention & therapeutics. Finally, we discuss challenges in this field and highlight some recent breakthroughs…Rodney Brooks’s Predictions Scorecard, 2026 January 01
This is my eighth annual update on how my dated predictions from January 1st, 2018 concerning (1) self driving cars, (2) robotics, AI , and machine learning, and (3) human space travel, have held up. I promised then to review them at the start of the year every year until 2050 (right after my 95th birthday), thirty two years in total. The idea was to hold myself accountable for those predictions. How right or wrong was I?…What skills did you learn on the job this past year? [Reddit]
What skills did you actually learn on the job this past year? Not from self-study or online courses, but through live hands-on training or genuinely challenging assignments…
No Vibes Allowed: Solving Hard Problems in Complex Codebases
I am pretty measured when it comes to interfacing with the AI hype machine. But we’ve stumbled into workflows that leave me with considerable optimism for what’s possible. We’ve gotten Claude code to handle 300k LOC Rust codebases, ship a week’s worth of work in a day, and maintain code quality that passes expert review. We use a family of techniques I call “frequent intentional compaction “ - deliberately structuring how you feed context to the AI throughout the development process…In this talk, I’ll share what we’ve learned since first sharing these techniques back in August, and some educated predictions on what’s coming in the next 6-12 months for software engineers…The basics of the InnoDB undo logging and history system
InnoDB implements multi-version concurrency control (MVCC), meaning that different users will see different versions of the data they are interacting with (sometimes called snapshots, which is a bit of a misleading term). This is done in order to allow users to see a consistent view of the system without expensive and performance-constraining locking which would limit concurrency…Undo logging and InnoDB’s “history” system are the mechanisms that underly its implementation of MVCC, but the way this works is generally very poorly understood…
There has to be a better way to explain Bayes’ theorem rather than the “librarian or farmer” question [Reddit]
The usual way it’s introduced is by introducing a character with a trait that is stereotypical to a group of people (eg nerdy and meek). Then the question is asked, is the character from that group of people (eg librarians) or from a much larger group of people (eg farmers). It’s supposed to catch people who answer librarians rather than farmers because they “fail” to consider that there are vastly more farmers than librarians…The Raven Paradox
Suppose you are not sure whether all ravens are black. If you see a white raven, that clearly refutes the hypothesis. And if you see a black raven, that supports the hypothesis in the sense that it increases our confidence, maybe slightly. But what if you see a red apple – does that make the hypothesis any more or less likely?…This question is the core of the Raven paradox, a problem in the philosophy of science posed by Carl Gustav Hempel in the 1940s…It highlights a counterintuitive aspect of how we evaluate evidence and confirm hypotheses…
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Cutting Room Floor
When Did “Rock” Become “Classic Rock”? A Statistical Analysis
Mass Spectrometry Proteomics: A Key to Faster Drug Discovery
survivalSL: an R Package for Predicting Survival by a Super Learner
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