Langchain csv question answering reddit. 3 you should upgrade langchain_openai and .

Langchain csv question answering reddit. This project implements a custom question answering chatbot using Langchain and Google Gemini Language Model (LLM). These systems will allow us to ask a question about the data in a graph database and get back a natural language answer. js directly when using one of their models. RAG: set up a directory and place all relevant files in there. When prompting and asking questions you can ask it to query a directory or specific file for the answer. Pandas Dataframe This notebook shows how to use agents to interact with a Pandas DataFrame. How should I proceed? Should I ditch the DataFrame approach and interface it directly ? How should I use approach it? How should I add history as i need to have GUI. After setting up the VectorDB, I faced a token limit issue again while trying to answer questions due to the large amount of data being processed. It seamlessly integrates with LangChain, and you can use it to inspect and debug individual steps of your chains as you build. It's a deep dive on question-answering over tabular data. See our how-to guide on question-answering over CSV data for more detail. This Also, LLMs seem to work well with CSV text strings, so another option could be to identify the tables in your PDF by turning the pages to images using pdf2image and using a model like this to locate the tables, and extract them to pandas using camelot and then saving the CSV strings. Note that querying data in CSVs can follow a similar approach. Specific questions, for example "How many goals did Haaland score?" get answered properly, since it searches info about Haaland in the CSV (I'm embedding the CSV and storing the vectors in Apr 13, 2023 · I've a folder with multiple csv files, I'm trying to figure out a way to load them all into langchain and ask questions over all of them. Recently, I have been paying around about how to implement chat-based Q/A using the LLM model based on a local knowledge base. If you're looking to build something specific or are more of a hands-on learner, try one out! While they reference building blocks that are explained in greater detail in other sections, we absolutely encourage folks to get started by going through them and picking apart the code in a real-world Apr 13, 2023 · The result after launch the last command Et voilà! You now have a beautiful chatbot running with LangChain, OpenAI, and Streamlit, capable of answering your questions based on your CSV file! I This template uses a csv agent with tools (Python REPL) and memory (vectorstore) for interaction (question-answering) with text data. 5 read json file and give an answer from those data, but it was really hard to find out the doc I wanted. I am using it at a personal level and feel that it can get quite expensive (10 to 40 cents a query). Aug 7, 2023 · Using langchain for Question Answering on own data is a way to use a powerful, open-source framework that can help you develop applications powered by a large language model (LLM), such as LLaMA 2 See full list on github. I need it answer questions based on it. May 21, 2025 · In this tutorial, you’ll learn how to build a local Retrieval-Augmented Generation (RAG) AI agent using Python, leveraging Ollama, LangChain and SingleStore. However, I'm curious about how to leverage both the data I provide through embedding and the vast amount of data that OpenAI already has. LangChain simplifies every stage of the LLM application lifecycle: Development: Build your applications using LangChain's open-source components and third-party integrations. Expectation - Local LLM will go through the excel sheet, identify few patterns, and provide some key insights Right now, I went through various local versions of ChatPDF, and what they do are basically the same concept. I'ts been the method that brings me the best results. I tried this also and have the following for you. Aug 14, 2023 · This is a bit of a longer post. What is RAG? RAG is a technique for augmenting LLM knowledge with additional data. This week focussing on Langchain and how we can autogenerate answers using… You are an experienced researcher, expert at interpreting and answering questions based on provided sources. May 17, 2023 · These models can be used for a variety of tasks, including generating text, translating languages, and answering questions. I have limited experience with LangChain and LLMs, primarily building simple chatbots with Retrieval-Augmented Generation (RAG). 3 you should upgrade langchain_openai and Docling parses PDF, DOCX, PPTX, HTML, and other formats into a rich unified representation including document layout, tables etc. This also seems to work with questions Have you tried different agents, or for starters, without? Your model runs on my MacBook M2 with about 30-50s response time. 5- Flash model infusing question_answers CSV dataset to retrieve effective answers. While some model providers support built-in ways to return structured output, not all do. It depends of course on your hardware as well. openai May 22, 2023 · Hi all, Can we get OpenAI to answer our questions based on a csv input? We are back with another coding snippet this week. But there are times where you want to get more structured information than just text back. the model will never be able to ingest big chunks of data, you are limited to the max tokens, you should consider using Does anyone have a working CSV RAG application using LangChain and open-source embeddings and LLMs? I've been trying to get a working implementation for a while, but I'm running into the same problem with CSV files. Has anyone worked with a similar problem? How can I make OpenAI answer questions using both my provided data and its existing knowledge? Are there any specific potentially a silly questionbut can you embed csv files and pdf files in the same vector database? trying to make a chatbot that you can talk to different file types Q&A with RAG Overview One of the most powerful applications enabled by LLMs is sophisticated question-answering (Q&A) chatbots. , making them ready for generative AI workflows like RAG. openai import OpenAIEmbeddings from langchain. LangChain. My question is whether I need to create these embeddings from given . There are several other related concepts that you may be looking for: Conversational RAG: Enable a chatbot I've been using langchain's csv_agent to ask questions about my csv files or to make request to the agent. It… I am trying to tinker with the idea of ingesting a csv with multiple rows, with numeric and categorical feature, and then extract insights from that document. embeddings. How to: use prompting to improve results How to: do query validation How to: deal with large databases How to: deal with CSV files Q&A over graph databases You can use an LLM to do question answering over graph databases. I tested a csv upload and Q&A to web gpt-4 and worked like a charm. This includes using LLMs to infer both Pandas operations and SQL queries. document_loaders import PyPDFLoader from langchain. In this blog, we will explore the steps to build an LLM RAG application using LangChain. As soon as I run a query, it's not able to retrieve more than four relevant chunks from the vectordb. There are two main methods an output . It covers: * Background Motivation: why this is an interesting task * Initial Application: how Jun 29, 2024 · We’ll use LangChain to create our RAG application, leveraging the ChatGroq model and LangChain's tools for interacting with CSV files. The application employs Streamlit to create the graphical user interface (GUI) and utilizes Langchain to interact with In the second video of this series we show you how to compose an simple-to-advanced query pipeline over tabular data. Any suggestions? Hi everyone, I've been exploring the capabilities of OpenAI to answer questions using embedding. I suspect i need to create better embeddings with chroma or any vector db. Llama_index Langchain-chatchat I believe these 2 frameworks are built upon what everyone refers to as the RAG (Retrieval-Augmented Generation) approach. Create Embeddings Nov 15, 2024 · The function query_dataframe takes the uploaded CSV file, loads it into a pandas DataFrame, and uses LangChain’s create_pandas_dataframe_agent to set up an agent for answering questions based on this data. I am a beginner in this field. More complex modifications Commenting here so I can some back to see the other answers. The CSV agent then uses tools to find solutions to your questions and generates an appropriate response with the help of a LLM. Finally, an LLM can be used to query the vectorstore to answer questions or summarize the content of the document. These are well proven frameworks Mar 13, 2024 · What is Question Answering in RAG? Imagine you’re a librarian at a huge library with various types of materials like books, magazines, videos, and even digital content like websites or databases Nov 17, 2023 · In this example, LLM reasoning agents can help you analyze this data and answer your questions, helping reduce your dependence on human resources for most of the queries. Concise, although not missing any important information. This will be a little slow as you are going to the document each time. I’ve been trying to find a way to process hundreds of semi-related csv files and then use an llm to answer questions. and I tried to look for langchain doc that can let openai api like gpt3. Hi, I am new to LangChain and I am developing a application that uses a Pandas Dataframe as document original a Microsoft Excel sheet. These applications use a technique known as Retrieval Augmented Generation, or RAG. This chatbot will be able to have a conversation and remember previous interactions with a chat model. pdf all the time so I could create question-answer system? I am new to langchain . About This repository contains a Streamlit-based Document Question Answering System implementing the Retrieve-and-Generate (RAG) architecture, utilizing Streamlit for the UI, LangChain for text processing, and Google Generative AI for embeddings. Try to run it first with Ollama or gpt4all. These are applications that can answer questions about specific source information. There are multiple LangChain RAG tutorials online. So i tried to install langchain expiremental because the csv agent works for this one but for some reason after I installed the OpenAI import was greyed out again. He uses the pandas DataFrame Agent, that lets you work with pandas DataFrame by simply asking questions. Thank you all Edit: The information is in a corpus of text, nothing structured unfortunately. com Hello everyone. Currently I am using an ensemble retriever combining bm25, tfidf and vectorstore (FAISS, chunk_size=2000, overlap=100). When you chat with the CSV file, it will first match your question with the data from the CSV (but stored in a vector database) and bring back the most relevant x chunks of information, then it will send that along with your original question to the LLM to get a nicely formatted answer. Can someone suggest me how can I plot charts using agents. Each row is a book and the columns are author (s), genres, publisher (s), release dates, ratings, and then one column is the brief summaries of the books. One of the most powerful applications enabled by LLMs is sophisticated question-answering (Q&A) chatbots. Use cautiously. In this section we'll go over how to build Q&A systems over data stored in a CSV file (s). Dec 2, 2024 · docs/how_to/sql_csv/ LLMs are great for building question-answering systems over various types of data sources. This state management can take several forms, including: Simply stuffing previous messages into a chat model prompt. I have this big csv of data on books. Langchain provides a standard interface for accessing LLMs, and it supports a variety of LLMs, including GPT-3, LLama, and GPT4All. It utilizes OpenAI LLMs alongside with Langchain Agents in order to answer your questions. I have a few questions: I've read a few comments on this subreddit indicating that Langchain is not good for SQL. I already developed a saas for serving agentic RAG to multiple customers/companies using LangGraph and LangServe. I am building a restaurant chatbot which uses the restaurants json file to answer the users question like location ,timing, dickup , delivery, menu and add-ons. For the first project, I really wanted to learn a framework that was "broadly" used, but now I want Let's say I have a . I've been experimenting with it using a local version of our company's database, and I have this vision of developing a chatbot that can talk to our database and answer questions related to the information we have in our database. js (so the Javascript library) that uses a CSV with soccer info to answer questions. Each line of the file is a data record. Aug 24, 2023 · A second library, in this case langchain, will then “chunk” the text elements into one or more documents that are then stored, usually in a vectorstore such as Chroma. I'm new to Langchain and I made a chatbot using Next. pdf with data, I used LangChain to generate the embeddings and successfully saved everything inside just like it is shown in the link above. Filling out the form directly is a lot of information upfront for the user whereas a chat interface lets me break the questions down into smaller chunks. Output parsers are classes that help structure language model responses. I want to ingest hundreds of csv files, all the column data is different except for them sharing a similar column related to state. As title suggests, i want to add memory to vreate_csv_agent so that it remembers past conversations and queries from the subset of data it provided in the past in case the user prompts for it? If any further explanation is required please ask, but help me out. The process_llm_response function should be replaced with your function for processing the response from the LLM. ⚠️ Security note ⚠️ Building Q&A systems of graph databases requires executing model-generated graph queries. If it's a follow-up question, I use the previously retrieved data and set the system prompt to use that data for reference, for example "look at the <past_answer> section". You should use "Retrieval Augmented Generation" (RAG), which LangChain makes pretty easy. So I am able to capture the location of the data observations and relate them to other data. How to use output parsers to parse an LLM response into structured format Language models output text. How to add memory to chatbots A key feature of chatbots is their ability to use the content of previous conversational turns as context. Hi, So I learning to build RAG system with LLaMa 2 and local embeddings. But lately, when running the agent I been running with the token limit error: This model's maximum context length is 4097 tokens. I have experimented with the following two open-source frameworks. The problem is schema of database is huge and tables names,column names are not self explanatory. The above, but trimming old messages to reduce the amount of distracting information the model has to deal with. I was working on a project where we can ask questions to Llama 2 and it should provide us accurate results with the help of CSV data provided. How we Chunk - turning PDF's into hierarchical structure for RAG The type of question I want an answer for is: "Give me all the projects built using FastAPI" (as an example) I am limited by top_k variable which means I do not get all the projects, How would you solve this. We discuss (and use) CSV data in this post, but a lot of the same ideas apply to SQL data. A document before being added to the retriever contains both text and csv. From basic lookups like 'what books were published in the last two We would like to show you a description here but the site won’t allow us. Using the provided context, answer the user's question to the best of your ability using only the resources provided. Then, the reply should be appended to the csv without the columns (again, specify this in the prompt) and eventually, you’ll have a csv to pull to the Dataframe to query I tried to use langchain with a huggingface LLM and found it was simpler to import huggingface. Thank you! Hi I think this is due to the fact that you perform a search looking for similarities in your csv that you transformed into embeddings vectors and when you ask your question your chain get the most similar chunks (your 4 rows) of your csv and pass them to the llm model. LangSmith LangSmith allows you to closely trace, monitor and evaluate your LLM application. Would any know of a cheaper, free and fast language model that can run locally on CPU only? Hii, I am trying to develop a data analysis agent, and using langchain CSV agent with local llm mistral through Ollama. You’re right, pdf is just splitting them page by page, chunking, store the embeddings and then connect LLM for information retrieval. Data Fine-Tuning: The Google Gemini LLM is fine-tuned We would like to show you a description here but the site won’t allow us. Document Question Answering with LangChain + ChromaDB + ChatGPT how to teach ChatGPT to answer questions from provided documents rather than its pre-trained data. There I'm new to LangChain and slowly working my way through the docs. The application employs Streamlit to create the graphical user interface (GUI) and utilizes Langchain to interact with Nov 12, 2023 · LangChain facilitates many tasks related to working with LLMs, and I became interested in using it to generate answers to questions that come up while playing video games. Overview We'll go over an example of how to design and implement an LLM-powered chatbot. It's weird because I remember using the same file and now I can't run the agent. text_splitter import CharacterTextSplitter from langchain. I also have a memory for my bot to maintain a good flow with the user. Without altering the embeddings and LLM, it Aug 14, 2023 · Benchmarking Question/Answering Over CSV Data LangChain 92. where user will ask question in natural language and llms will wrtie sql query, run it on my database and then give me result in natural language. Be straight forward on answering questions. Currently, I'm helping a friend build a WhatsApp chatbot that retrieves its answers from a SQL database. Each record consists of one or more fields, separated by commas. For a high-level tutorial, check out this guide. I'm trying to understand how I installed langchain [All] and the OpenAI import seemed to work. I need a general way to ingest all these csv files Jan 9, 2024 · A short tutorial on how to get an LLM to answer questins from your own data by hosting a local open source LLM through Ollama, LangChain and a Vector DB in just a few lines of code. We would like to show you a description here but the site won’t allow us. Execute SQL query: Execute the query. Is there a "chunk Question-Answering with Graph Databases: Build a question-answering system that queries a graph database to inform its responses. Jul 6, 2024 · These models can be used for a variety of tasks, including generating text, translating languages, and answering questions. My intention is to build a chat interface that has a conversation with a user and then slowly fills out a form behind the scenes as answers come in. r/LangChain: LangChain is an open-source framework and developer toolkit that helps developers get LLM applications from prototype to production. Answer the question: Model responds to user input using the query results. Features automated question-answer pair generation with customizable complexity levels and easy CSV exp 文档问答 qa_with_sources 在这里，我们将介绍如何使用 LangChain 对一系列文档进行问答。在底层，我们将使用我们的 文档链。 准备数据 首先我们准备数据。在这个示例中，我们对向量数据库进行相似性搜索，但这些文档可以以任何方式获取（这个笔记本的重点是突出显示在获取文档之后要做的事情）。 We would like to show you a description here but the site won’t allow us. Note that this chatbot that we build will only use the language model to have a conversation. This process works well for documents that contain mostly text. vectorstores import FAISS Q&A over SQL + CSV You can use LLMs to do question answering over tabular data. Most of the times two tables need to joined on more than one column and in where Check out this tutorial from the Data Professor and explore the use of LangChain Agents. I have around 4000 test questions LangChain has all the tools you need to do this. Built a CSV Question and Answering using Langchain, OpenAI and Streamlit : r/LangChain r/LangChain Current search is within r/LangChain Remove r/LangChain filter and expand search to all of Reddit How to do question answering over CSVs LLMs are great for building question-answering systems over various types of data sources. Langchain is a Python module that makes it easier to use LLMs. Tried to do the same locally with csv loader, chroma and langchain and results (Q&A on the same dataset and GPT model - gpt4) were poor. Build a Question Answering application over a Graph Database In this guide we’ll go over the basic ways to create a Q&A chain over a graph database. My issue is as follows: The bot responds well to the question but continues to generate more information than necessary. I have tested the following using the Langchain question-answering tutorial, and paid for the OpenAI API usage fees. Yes LC to fine tune your model with A comma-separated values (CSV) file is a delimited text file that uses a comma to separate values. Quickstart In this quickstart we'll show you how to: Get setup with LangChain, LangSmith and LangServe Use the most basic and common components of LangChain: prompt templates, models, and output parsers Use LangChain Expression Language, the protocol that LangChain is built on and which facilitates component chaining Build a simple application with LangChain Trace your application with I've used a quick prompt to classify the user's question: does it require a RAG search or is it a follow-up question? If it requires RAG, then I get the data from the RAG pipeline. 3K subscribers Subscribed We would like to show you a description here but the site won’t allow us. Use LangGraph to build stateful agents with first-class streaming and human-in-the-loop support. I've tried using create_sql_query_chain and Feb 19, 2024 · In this code, context and question should be replaced with the names of the columns in your Excel file that contain the context and question for each row. llms import OpenAIChat from langchain. Learn how to build an app for answering questions on a pandas DataFrame created from a user-uploaded CSV file in four steps: Get an OpenAI API key The TL;DR here is how can I get LangChain to help me analyze custom log files that have been generated from custom code? A point in the direction of some code somewhere that perhaps solves a similar issue would be very helpful. A tool for generating synthetic test datasets to evaluate RAG systems using RAGAS and OpenAI. I've been experimenting with the SQL tutorials in LangChain, but I haven't yet achieved satisfactory results for a v1. from langchain. I have mainly tried 2 methods until now: Using CSV agent of Langchain Storing in vectors and then asking questions The problems with the above approaches are: CSV Agent - It is working perfectly fine when I am using it with OpenAI, but it's not working The application reads the CSV file and processes the data. Is there a way to do a question and answer on multiple word documents, in a way that’s similar to what Langchain has, but to be run locally (without openai, without internet)? I’m ok with poorer quality outputs - it is more important to me that the model runs locally. Productionization I am developing a text-to-sql project with llms and sql server. This is a multi-part tutorial: Part 1 (this guide) introduces RAG The application reads the CSV file and processes the data. After hundreds of hours struggling to find solutions to real-world problems with AI such as making API requests to custom API so that the LLMs have data to base their answers or even real-time voice enable support agents, I have come to this conclusion: Langchain tools are pointless and extremely convoluted, do not waste your time with them! All agents are a pre-prompt that makes whatever Use cases This section contains walkthroughs and techniques for common end-to-end use tasks. question_answering import load_qa_chain from langchain. Considering the privacy and performance requirements, I am also contemplating the use of a local AI model on a powerful machine instead of relying on cloud-based solutions like OpenAI. It said something like CSV agent could not be installed because it was not compatible with the version of langchain. I am trying to build an agent to answer questions on this csv. Jan 6, 2024 · How I built the simplest RAG based Question-Answering system before ChatGPT, LangChain or LlamaIndex came out (all for $0!) Jan 31, 2025 · The combination of Retrieval-Augmented Generation (RAG) and powerful language models enables the development of sophisticated applications that leverage large datasets to answer questions effectively. May 20, 2023 · For example, there are DocumentLoaders that can be used to convert pdfs, word docs, text files, CSVs, Reddit, Twitter, Discord sources, and much more, into a list of Document's which the LangChain I'm building a chatbot that can answer questions about code or generate code, and I have two different chains, one for each activity. The library has a document question and answering model listed as an example in their docs. Built a RAG Chatbot application using LangChain framework using Gemini 2. Like working with SQL databases, the key to working with CSV files is to give an LLM access to tools for querying and interacting with the data. With RAG, the inferring system basically looks up the answer in a database and initializes inference context with it, then infers on the question. NOTE: this agent calls the Python agent under the hood, which executes LLM generated Python code - this can be bad if the LLM generated Python code is harmful. Build a Retrieval Augmented Generation (RAG) App: Part 1 One of the most powerful applications enabled by LLMs is sophisticated question-answering (Q&A) chatbots. It is mostly optimized for question answering. LLMs can reason Aug 7, 2023 · Step-by-step guide to using langchain to chat with own data Introduction LangChain is a framework for developing applications powered by large language models (LLMs). 3: Setting Up the Environment Hello, just a question that popped up in my mind. However, I'm developing a new application for agentic document analysis and parsing, all without using anything langchain related. I developed a simple agent which is able to answer simple queries like , how many rows in dataframe, list all transaction realated to xyz, etc. I am building a RAG application from 400+ XML documents, half of the content are tables which I am converting to csv and then extracting all text from the xml tags. NOTE: Since langchain migrated to v0. Here's what I have so far. chains. I don’t think we’ve found a way to be able to chat with tabular data yet. The chatbot is trained on industrial data from an online learning platform, consisting of questions and corresponding answers. Setup First, get required packages and set environment variables: You should probably split these into chunks, ask the LLM to provide topics and questions for each chunk and produce a CSV output, and also provide it with a meeting name and date for context and have it return it in the csv. import os from langchain. The data is mostly pertaining to demographics like economics, age, race, income, education, and health related outcomes. rmx zxt qjm kxriddz aysanw ogdui uacio iafxzfi gdnynov wils