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Daily Dose of Data Science

Daily no-fluff issues that help you succeed and stay relevant in DS/ML roles.

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A Cheaper Model Does Not Imply a Cheaper Turn

Master Full-stack AI Engineering In today's newsletter: How to build your own AI company (100% local). A cheaper model does not imply a cheaper turn. The anatomy of a Claude prompt. What do AI companies think about Agent Harness? TODAY'S ISSUE OPEN-SOURCE How to build your own AI company (100% local) Multi-agent orchestration is not new. Plenty of frameworks already let agents hand off tasks, run in parallel, and talk to each other. So the key question is not whether agents can collaborate...

Master Full-stack AI Engineering In today's newsletter: The operating system for AI research labs! Why agent crashes are nothing like database crashes. [Hands-on] Deploy a Qwen 3 Agentic RAG. TODAY'S ISSUE OPEN-SOURCE The operating system for AI research labs! Transformer Lab is an open-source ML platform that orchestrates GPUs across any cloud and runs any training or eval workflow you define: supports LoRA, QLoRA, DPO, ORPO, SIMPO use it from a GUI, CLI, or agent skill. works with MLX,...

Master Full-stack AI Engineering In today's newsletter: An open-source alternative to Claude (29k+ stars)! [Hands-on] Agent memory is only as good as its schema: Why flat retrieval breaks on multi-hop reasoning Where extraction fits in the pipeline Defining the schema with Pydantic Under the hood The output in practice Context templates The 10/10/10 constraint TODAY'S ISSUE open-source An open-source alternative to Claude (29k+ stars)! Onyx is a self-hostable AI chat platform that works with...

Master Full-stack AI Engineering In today's newsletter: Fine-tune any LLM directly from Claude! Speculative decoding in LLMs. tSNE Projections can be misleading. TODAY'S ISSUE fine-tuning Fine-tune any LLM directly from Claude! We built a Hugging Face fine-tuning studio that lets you fine-tune any LLM directly from Claude: The app connects to the HF Hub for model and dataset search. It handles chat template formatting for the training data, and lets you configure LoRA rank, quantization,...

Master Full-stack AI Engineering In today's newsletter: Markov decision processes and value functions in RL. How LLM inference works internally. TODAY'S ISSUE AI engineering Markov decision processes and value functions in RL Last week, we launched a hands-on course series on reinforcement learning. Part 2 is now available, and you can read it here → Reinforcement learning nanodegree part 2 Part 1 gave you the RL interaction loop and the exploration-exploitation tradeoff through bandits, and...

Master Full-stack AI Engineering In today's newsletter: Two skills to fix the context gap in Claude Code. Naive RAG vs Blockify, explained visually. DevOps vs. MLOps vs. LLMOps. TODAY'S ISSUE Hands-on Two skills to fix the context gap in Claude Code Claude Code has two context gaps that no amount of CLAUDE.md optimization will fix. The first is web scraping. web_fetch doesn’t return raw page content. It runs the page through a smaller model and returns a summary with a 125-character quote...

Master Full-stack AI Engineering In today's newsletter: Technical LLM interview question! 10 must-use slash commands in Claude Code. [Hands-on] Build a Real-time Federated Data Engine for Agents. TODAY'S ISSUE Agents Technical LLM interview question! You have 80,000 agent trajectories from production. You need to find top 100 worth reviewing to improve your agent. No LLM allowed to evaluate trajectories. How will you do this? Let’s look at some approaches. The simplest solution one could...

Master Full-stack AI Engineering In today's newsletter: The anatomy of diffusion LLMs. Evaluate MCP-powered LLM apps. 20 most common magic methods in Python OOP. TODAY'S ISSUE Deep dive The anatomy of diffusion LLMs This week’s deep dive covers one of the most important architectural shifts happening in language modeling right now: diffusion LLMs. Read the full Part 1 deep dive here → Diffusion LLMs Part 1 It builds a complete understanding from first principles: how autoregressive generation...

Master Full-stack AI Engineering In today's newsletter: Open-source plugin to give coding agents live web data. Build agents that don’t fail in production. Manual RAG pipeline vs unified knowledge bases (with demo). TODAY'S ISSUE together with bright data Open-source plugin to give coding agents live web data A key limitation of coding agents today is that they can’t fetch live web data on their own. And platforms like LinkedIn, X, and Reddit (where a ton of developer discussions happen) are...

Master Full-stack AI Engineering In today's newsletter: An Open-Source Autonomous BI Agent. A Memory-efficient technique to train large models. Types of memory in AI Agents. TODAY'S ISSUE Open-source An Open-Source Autonomous BI Agent MindsDB just open-sourced Anton, an autonomous BI agent that turns plain-language questions into full dashboards. You ask something like “Show me NVIDIA’s profit margins,” and Anton handles everything: figuring out the right data source, writing and executing...