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license: cc
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---
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---
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license: cc
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language:
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- en
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library_name: transformers
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pipeline_tag: text-generation
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tags:
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- medical
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---
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# MedAlpaca LoRA 7b 16bit
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## Table of Contents
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[Model Description](#model-description)
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- [Architecture](#architecture)
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- [Training Data](#trainig-data)
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[Model Usage](#model-usage)
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[Limitations](#limitations)
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## Model Description
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### Architecture
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`medalpaca-lora-7b-16bit` is a large language model specifically fine-tuned for medical domain tasks.
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It is based on LLaMA (Large Language Model Meta AI) and contains 7 billion parameters.
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The primary goal of this model is to improve question-answering and medical dialogue tasks.
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It was trained using [LoRA](https://arxiv.org/abs/2106.09685).
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### Training Data
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The training data for this project was sourced from various resources.
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Firstly, we used Anki flashcards to automatically generate questions,
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from the front of the cards and anwers from the back of the card.
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Secondly, we generated medical question-answer pairs from [Wikidoc](https://www.wikidoc.org/index.php/Main_Page).
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We extracted paragraphs with relevant headings, and used Chat-GPT 3.5
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to generate questions from the headings and using the corresponding paragraphs
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as answers. This dataset is still under development and we believe
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that approximately 70% of these question answer pairs are factual correct.
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Thirdly, we used StackExchange to extract question-answer pairs, taking the
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top-rated question from five categories: Academia, Bioinformatics, Biology,
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Fitness, and Health. Additionally, we used a dataset from [ChatDoctor](https://arxiv.org/abs/2303.14070)
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consisting of 200,000 question-answer pairs, available at https://github.com/Kent0n-Li/ChatDoctor.
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| Source | n items |
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|------------------------------|--------|
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| ChatDoc large | 200000 |
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| wikidoc | 67704 |
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| Stackexchange academia | 40865 |
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| Anki flashcards | 33955 |
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| Stackexchange biology | 27887 |
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| Stackexchange fitness | 9833 |
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| Stackexchange health | 7721 |
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| Wikidoc patient information | 5942 |
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| Stackexchange bioinformatics | 5407 |
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## Limitations
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The model may not perform effectively outside the scope of the medical domain.
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The training data primarily targets the knowledge level of medical students,
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which may result in limitations when addressing the needs of board-certified physicians.
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The model has not been tested in real-world applications, so its efficacy and accuracy are currently unknown.
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It should never be used as a substitute for a doctor's opinion and must be treated as a research tool only.
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