Sarah Lea – Medium

Sarah Lea

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Data Science Collective

RAG in Action: Build your Own Local PDF Chatbot as a Beginner

Understanding chunking, embeddings and vector search better by building a PDF chatbot with LangChain, Ollama and Mistral.

Apr 12

RAG in Action: Build your Own Local PDF Chatbot as a Beginner

Apr 12

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TDS Archive

5 Simple Projects to Start Today: A Learning Roadmap for Data Engineering

Start with 5 practical projects to lay the foundation for your data engineering roadmap.

Jan 2

By implementing projects directly, you learn twice as much.

Jan 2

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TDS Archive

Master Bots Before Starting with AI Agents: Simple Steps to Create a Mastodon Bot with Python

I recently published a post on Mastodon that was shared by six other accounts within two minutes. Curious, I visited the profiles and…

Dec 27, 2024

To create a bot, you need to decide on the programming language, understand the API and decide on hosting.

Dec 27, 2024

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Why ETL-Zero? Understanding the shift in Data Integration

When I was preparing for the Salesforce Data Cloud certification, I came across the term Zero-ETL. The Data Cloud offers the possibility…

Nov 11, 2024

Why ETL-Zero? Understanding the shift in Data Integration

Nov 11, 2024

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Data Science Collective

Visualize Your Spotify Data with Python and Streamlit

A practical guide to securely fetching Spotify data and building interactive dashboards to explore your music taste.

3d ago

A practical guide to securely fetching Spotify data and building interactive dashboards to explore your music taste.

3d ago

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Data Science Collective

How to skip the AI buzzwords and Find Reliable Expert Information

A structured approach to filter high-quality content, avoid information overload and build practical skills that matter.

Mar 18

How to skip the AI buzzwords and Find Reliable Expert Information

Mar 18

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Code Like A Girl

5 Important Lessons I Learned as a Tech Consultant over the Last 5 Years

Underestimated Skills in IT-Consulting with Lessons Learned.

Mar 10

This picture shows a young man in a trainer looking at himself in the mirror wearing a suit. The image represents a step forward at work.

Mar 10

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Data Science Collective

How to Try Out an Open-Source AI Model Without Costly Hardware — And What to Know About IBM…

A practical guide on how to quickly try out an open-source language model using Hugging Face Spaces and Gradio

Feb 20

A practical guide on how to quickly try out an open-source language model using Hugging Face Spaces and Gradio.

Feb 20

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The Pythoneers

From Delivery to Smart Cities: Learn Pygame Simulation Basics

New parcel delivered!

Feb 6

From Delivery to Smart Cities: Learn Pygame Simulation Basics

Feb 6

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TDS Archive

The Concepts Data Professionals Should Know in 2025: Part 2

From AI Agent to Human-In-The-Loop — Master 12 critical data concepts and turn them into simple projects to stay ahead in IT.

Jan 20

6 terms that you will certainly encounter as a data engineer, data scientist and data analyst in 2025 are XAI & Data Lineage, Gen AI, Agentic AI, Inference Time Compute, Near Infinite Memory and Human in the loop augmentation

Jan 20

Sarah Lea

Sarah Lea

Simplifying tech for curious minds | BSc BI & AI | Salesforce Consultant | Writing on Data, AI, ML & Python | Follow for insights that make tech accessible 🚀

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