How to chat with excel file using Langchain | Tutorial:21

Certainly! Here is a summarized version of the provided text:

1. **Introduction:**
- The speaker, Ronnie, welcomes viewers to the Total Technology Zone channel.
- The topic for today's tutorial is about using Lang chain to chat with an Excel file.

2. **Tools and Files:**
- Ronnie plans to use an Excel file containing FIFA-like football player data.
- The tutorial involves utilizing the Lang chain document loader utility.

3. **Coding Steps:**
- Ronnie imports necessary utilities and modules from Lang chain.
- Uses the Lang chain unstructured Excel loader to load the Excel file.
- Creates a Vector store index.
- Sets up a question-answering chain using Lang chain's tools.
- Executes queries on the Excel data, obtaining responses through Lang chain.

4. **Coding Challenges:**
- Ronnie encounters and resolves various module installation issues during the coding process.
- Emphasizes the importance of patience and debugging when facing errors.

5. **Results:**
- Demonstrates asking questions about football player data, such as the most expensive player and lowest potential overall score, and receiving answers through Lang chain.

6. **Conclusion and Call to Action:**
- Ronnie encourages viewers to subscribe, share the channel, and provide feedback.
- Advises viewers to write the code themselves for better learning.
- Concludes the tutorial with gratitude and the promise of more content in the future.

[iamavideologist]

As you have converted the table into a vector database can you perform aggregations like group by sum etc.?

[akshaysoner]

Is it possible to processing multiple sheets and multiple tables in a single sheet of Excel file? Please let me know if this is possible using simple methods using langchain and faiss

[abhijeetbanerjee]

Do we need to provide openai_api_key ? i got the error please add an environment variable `OPENAI_API_KEY` which contains it, or pass `openai_api_key`

[rittika]

I am using mac and i also got the error -
from unstructured.__version__ import __version__ as __unstructured_version__
ModuleNotFoundError: No module named 'unstructured'

[myfincoach]

Is it necessary to have open AI API key or can we work without it