Chroma vector store setup in LangChain - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Chroma vector store from LangChain.

LangChain

from langchain_community.vectorstores import [1]

Drag options to blanks, or click blank then click option'

AFAISS

BPinecone

CChroma

DWeaviate

Attempts:

3 left

💡 Hint

Common Mistakes

Importing a different vector store like Pinecone or FAISS.

Forgetting to import from langchain.vectorstores.

The Chroma vector store is imported from langchain_community.vectorstores as Chroma.

2fill in blank

medium

Complete the code to create a Chroma vector store instance with an embedding function.

LangChain

vectordb = Chroma(embedding_function=[1])

Drag options to blanks, or click blank then click option'

AFAISS()

BOpenAI()

CChroma()

DOpenAIEmbeddings()

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the vector store class instead of an embedding function.

Using the OpenAI client instead of embeddings.

The embedding_function parameter expects an embedding model like OpenAIEmbeddings().

3fill in blank

hard

Fix the error in the code to specify the persist directory for Chroma storage.

LangChain

vectordb = Chroma(embedding_function=OpenAIEmbeddings(), persist_directory=[1])

Drag options to blanks, or click blank then click option'

A123

B'./db'

CNone

DTrue

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a number or boolean instead of a string path.

Using None which disables persistence.

The persist_directory must be a string path like './db' to save the vector store data.

4fill in blank

hard

Fill both blanks to create a Chroma vector store with embeddings and persist directory.

LangChain

vectordb = Chroma(embedding_function=[1], persist_directory=[2])

Drag options to blanks, or click blank then click option'

AOpenAIEmbeddings()

B'./chroma_db'

C'./data'

DOpenAI()

Attempts:

3 left

💡 Hint

Common Mistakes

Using OpenAI() instead of OpenAIEmbeddings().

Passing a wrong directory path.

The embedding function should be OpenAIEmbeddings() and the persist directory a string path like './chroma_db'.

5fill in blank

hard

Fill all three blanks to initialize Chroma with embeddings, persist directory, and collection name.

LangChain

vectordb = Chroma(embedding_function=[1], persist_directory=[2], collection_name=[3])

Drag options to blanks, or click blank then click option'

AOpenAIEmbeddings()

B'./chroma_persist'

C'my_collection'

DOpenAI()

Attempts:

3 left

💡 Hint

Common Mistakes

Using OpenAI() instead of OpenAIEmbeddings().

Passing non-string values for directory or collection name.

Use OpenAIEmbeddings() for embeddings, a string path like './chroma_persist' for persistence, and a string name like 'my_collection' for the collection.