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Free module

Retrieval-augmented generation

Learn retrieval-augmented generation hands on: embeddings, chunking, vector search, hit rate, answering with sources and when not to use it.

6 lessons370 min lessonSoftware engineering

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1 · Container lab

    What embeddings are and cosine similarity

    I can say what an embedding is and compare two with cosine similarity.

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  2. 2 · Container lab

    How to chunk a document for retrieval

    I can split a document so that each piece can be found.

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  3. 3 · Container lab

    How a vector store finds the nearest chunks

    I can store vectors and find the nearest ones.

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  4. 4 · Container lab

    How to measure retrieval with hit rate

    I can find the chunks that answer a question and say how well I did.

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  5. 5 · Container lab

    How to answer from retrieved sources

    I can build a prompt from what was found and answer only from it.

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  6. 6 · Container lab

    When not to use retrieval-augmented generation

    I can say when retrieval is the wrong tool.

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Worked in a real lab

Every lesson of this module is worked in a lab started for you alone. The labs it uses:

Teaching a class? Set this module for your students with a teacher guide, marked assignments and a lab for every student.