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---
license: bigscience-openrail-m
language:
- en
tags:
- trl
- transformers
- reinforcement-learning
datasets:
- lvwerra/stack-exchange-paired
---
# Llama-se-rl-peft
Adapter weights of an RL fine-tuned model based on LLaMa. Authored by Edward Beeching, Younes Belkada, Kashif Rasul, Lewis Tunstall and Leandro von Werra.
For more info check out the [blog post](https://huggingface.co/blog/stackllama) and [github example](https://github.com/lvwerra/trl/tree/main/examples/stack_llama/scripts).
## Model Description
**Llama-se-rl** is a Llama-based model that has been first fine-tuned on the Stack Exchange dataset and then RL fine-tuned using a Stack Exchange Reward Model. This dataset consists of questions and answers from various domains in Stack Exchange, such as programming, mathematics, physics, and more. The model is designed to generate human-like responses to questions in these domains. The model has been training to respond to prompts with the following template:
```
Question: <Query>
Answer: <Response>
```
## Intended Uses & Limitations
The **Llama-se-rl** model was trained for long form QA using [Stack Exchange](https://stackexchange.com) data wich is released under a [CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/), and covers topics such as programming, mathematics, and physics.
It is intended to demonstrate a Large Language Model's ability to follow a target behavior (in this case, generating answers to a question that would have been rated more highly on SE).
It is not intended to replace human expertise, and answers should be validated through the use of external sources.
Further research is also needed to attribute model generations to sources in the training data, especially in cases where the model may copy answers from the training data *verbatim*.
## Limitations and Bias
The **Llama-se-rl** model inherits limitations and biases from the Llama model and also those contained in the Stack Exchange dataset.
In particular, per the [latest developer survey for Stack Overflow](https://survey.stackoverflow.co/2022/),
which constitutes a significant part of the StackExchange data,
most users who answered the survey identified themselves as [White or European, men, between 25 and 34 years old, and based in the US (with a significant part of responders from India).](https://survey.stackoverflow.co/2022/#developer-profile-demographics)
While this demographic information likely varies by topic, disparities between the data contributors and the direct and indirect users of the technology should inform developers in assessing what constitutes an appropriate use case.
Additionally, the model may generate answers that are incorrect or misleading due to the inherent limitations of the Llama architecture.
## BibTeX entry and citation info
```bibtex
@misc{beeching2023llama,
title={StackLLaMa: An RL Fine-tuned LLaMa Model for Stack Exchange Question and Answering},
author={Beeching, Edward and Belkada, Younes and Rasul, Kashif and Tunstall, Lewis and von Werra, Leandro},
year={2023}
}
``` |