Initial Commit
Browse files- README.md +84 -0
- adapter_config.json +17 -0
- adapter_model.bin +3 -0
- training_parameters.json +1 -0
README.md
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---
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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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# Medguanaco LoRA 33b 8bit
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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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`nmitchko/medguanaco-lora-33b-8bit` is a large language model LoRa specifically fine-tuned for medical domain tasks.
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It is based on the Guanaco LORA of LLaMA weighing in at 33B 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) and reduced to 8bit, to reduce memory footprint.
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Steps to load this model:
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1. Load Guanaco-33b-merged https://huggingface.co/timdettmers/guanaco-33b-merged **in 8-bit**
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* I recommend using text-generation-ui to test it out: https://github.com/oobabooga/text-generation-webui/tree/main
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2. Apply this LoRA to the model, this was trainied in 8-bit mode and results may vary in higher dimensions.
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```python
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# Some llama or alpaca model 65b
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base_model = "timdettmers/guanaco-33b-merged"
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model = LlamaForCausalLM.from_pretrained(
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base_model,
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load_in_8bit=load_8bit,
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torch_dtype=torch.float16
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)
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# Load the LORA on top
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lora_weights = "nmitchko/medguanaco-lora-33b-8bit"
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model = PeftModel.from_pretrained(
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model,
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lora_weights,
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torch_dtype=torch.float16
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)
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```
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---
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> The following README is taken from the source page [medalpaca](https://huggingface.co/medalpaca/medalpaca-lora-13b-8bit)
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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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adapter_config.json
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{
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"base_model_name_or_path": "models/timdettmers_guanaco-33b-merged",
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"bias": "none",
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"fan_in_fan_out": false,
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"inference_mode": true,
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"init_lora_weights": true,
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"lora_alpha": 64,
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"lora_dropout": 0.05,
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"modules_to_save": null,
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"peft_type": "LORA",
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"r": 32,
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"target_modules": [
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"q_proj",
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"v_proj"
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],
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"task_type": "CAUSAL_LM"
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}
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adapter_model.bin
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version https://git-lfs.github.com/spec/v1
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oid sha256:f71cefb236fb5a3e0037e473243fa21d7f02b7a6e113cea25528d8b155e34a13
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size 204559498
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training_parameters.json
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{"lora_name": "medguanaco-33b-lora-8bit", "always_override": false, "save_steps": 0.0, "micro_batch_size": 1, "batch_size": 128, "epochs": 3.0, "learning_rate": "3e-4", "lr_scheduler_type": "linear", "lora_rank": 32, "lora_alpha": 64, "lora_dropout": 0.05, "cutoff_len": 256, "dataset": "medical_meadow_small", "eval_dataset": "None", "format": "alpaca-format", "eval_steps": 100.0, "raw_text_file": "None", "overlap_len": 128, "newline_favor_len": 128, "higher_rank_limit": false, "warmup_steps": 100.0, "optimizer": "adamw_torch", "hard_cut_string": "\\n\\n\\n", "train_only_after": ""}
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