One Month Into Learning Data Engineering in Public: Here’s What I Didn’t Write About
A reflection on the first month of learning data engineering in public, and what actually kept me going.
The post One Month Into Learning Data Engineering in Public: Here’s What I Didn’t Write About appeared first on Towards Data Science.
How to Build a Credit Scoring Grid From a Logistic Regression Model
Turning model coefficients into a 0–1000 score, with risk classes and stability checks
The post How to Build a Credit Scoring Grid From a Logistic Regression Model appeared first on Towards Data Science.
Your First Task as a Data Engineer in a New Company? Make the ETL Pipeline Testable
A practical data engineering onboarding workflow for environment setup, automated testing, and AI-assisted development.
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Why I Stopped Using One Agent and Built a Multi-Agent Pipeline Instead
A practical walkthrough using text-to-SQL as the example
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Learn about the concept of loops to power your coding agents.
The post How to Create Powerful Loops in Claude Code appeared first on Towards Data Science.
The Math Skills Every Aspiring Data Scientist Needs to Master Before Writing a Single Line of Code
This article breaks down each essential math discipline, explains its role in data science, and maps out an efficient learning path you can start today.
I Spent an Hour on a Data Preprocessing Task Before Asking Gemini
How Gemini solved my Pandas problem in seconds, and why data science fundamentals still matter to spot suboptimal solutions
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If you are a programmer and you don't feel "special" anymore, you are not alone
The post The Era of No-Code AI: What You Need to Know appeared first on Towards Data Science.
ChatLLM by Abacus AI Review: A Multi-Model AI Workspace Built for Daily Work
An in-depth review of ChatLLM by Abacus AI, covering supported AI models, AI agents, coding tools, integrations, pricing, usage limits, and how it compares to ChatGPT.
Why one-hot encoding isn’t always the best approach, and alternative encodings
The post Encoding Categorical Data for Outlier Detection appeared first on Towards Data Science.
Learn how to apply coding agents to verify work in your browser.
The post How to Use Claude Code in Your Browser appeared first on Towards Data Science.
When RAG Users Ask Vague Questions: Clarify Once, Learn the Default
Enterprise Document Intelligence [Vol.1 #6bis] - Ask one focused clarification, learn the default from the answer, stay silent next time
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Reconstructing the Table of Contents a PDF Forgot to Ship, So RAG Can Scope by Section
Enterprise Document Intelligence [Vol.1 #5septies] - When a PDF prints a contents page but exposes no outline, two ways to turn it back into structure, plus the page-alignment step everyone forgets
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Making a PDF’s Images Searchable for RAG, Without Paying to Read Them All
Enterprise Document Intelligence [Vol.1 #5sexies] - image_df tells you where every picture is. Turning the few that matter into searchable text is a separate, cost-ordered job
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Materialized Lake Views in Microsoft Fabric: When Your Medallion Fits in a SELECT Statement
Five surfaces collapsed into one declarative layer. Here's the full story of Materialized Lake Views in Microsoft Fabric - from syntax to the new GA capabilities
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I Tried to Schedule My ETL Pipeline. Here’s What I Didn’t Expect.
What I thought was a scheduling problem turned out to be a portability problem first
The post I Tried to Schedule My ETL Pipeline. Here’s What I Didn’t Expect. appeared first on Towards Data Science.
System Design for ML Interviews: 10 Real Problems Walked Through
ML system design interviews test how well you can think beyond models. In these interviews, choosing an algorithm is only one part of the answer. You also need to explain how data is collected, how features are created, how predictions are served, and how the system improves over time. Most real ML...
How Powerful is Claude Fable (Mythos) 5 for Coding?
Learn about the upsides and downsides of Claude Fable 5
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Advanced Join Techniques: LATERAL Joins, Semi Joins, Anti Joins
LATERAL joins let a subquery in the FROM clause reference columns from earlier in the same FROM clause. Semi joins return rows where a match exists in another table, without duplicating those rows. Anti joins return rows where no match exists.
How unit economics should set your classification cutoff, and why they rarely do.
The post Your Churn Threshold Is a Pricing Decision appeared first on Towards Data Science.