Tabpfn Mix 1.0 Classifier

🚀 TabPFNMix分類器

TabPFNMix分類器是一種表格基礎模型，它在從隨機分類器組合中採樣得到的純合成數據集上進行預訓練。該模型能夠有效解決表格數據分類問題，為相關研究和應用提供了強大的支持。

🚀 快速開始

安裝依賴

要使用TabPFNMix分類器，需要先安裝AutoGluon，可運行以下命令：

pip install autogluon

代碼示例

以下是一個使用TabPFNMix分類器進行微調與推理的最小示例：

import pandas as pd

from autogluon.tabular import TabularPredictor


if __name__ == '__main__':
    train_data = pd.read_csv('https://autogluon.s3.amazonaws.com/datasets/Inc/train.csv')
    subsample_size = 5000  
    if subsample_size is not None and subsample_size < len(train_data):
        train_data = train_data.sample(n=subsample_size, random_state=0)
    test_data = pd.read_csv('https://autogluon.s3.amazonaws.com/datasets/Inc/test.csv')

    tabpfnmix_default = {
        "model_path_classifier": "autogluon/tabpfn-mix-1.0-classifier",
        "model_path_regressor": "autogluon/tabpfn-mix-1.0-regressor",
        "n_ensembles": 1,
        "max_epochs": 30,
    }

    hyperparameters = {
        "TABPFNMIX": [
            tabpfnmix_default,
        ],
    }

    label = "class"

    predictor = TabularPredictor(label=label)
    predictor = predictor.fit(
        train_data=train_data,
        hyperparameters=hyperparameters,
        verbosity=3,
    )

    predictor.leaderboard(test_data, display=True)

✨ 主要特性

TabPFNMix基於一個擁有3700萬個參數的12層編碼器 - 解碼器Transformer架構。它採用了一種結合上下文學習的預訓練策略，與TabPFN和TabForestPFN所使用的策略類似。

📚 詳細文檔

如果您在研究中發現TabPFNMix很有用，請考慮引用相關論文：

@article{erickson2020autogluon,
  title={Autogluon-tabular: Robust and accurate automl for structured data},
  author={Erickson, Nick and Mueller, Jonas and Shirkov, Alexander and Zhang, Hang and Larroy, Pedro and Li, Mu and Smola, Alexander},
  journal={arXiv preprint arXiv:2003.06505},
  year={2020}
}

@article{hollmann2022tabpfn,
  title={Tabpfn: A transformer that solves small tabular classification problems in a second},
  author={Hollmann, Noah and M{\"u}ller, Samuel and Eggensperger, Katharina and Hutter, Frank},
  journal={arXiv preprint arXiv:2207.01848},
  year={2022}
}

@article{breejen2024context,
  title={Why In-Context Learning Transformers are Tabular Data Classifiers},
  author={Breejen, Felix den and Bae, Sangmin and Cha, Stephen and Yun, Se-Young},
  journal={arXiv preprint arXiv:2405.13396},
  year={2024}
}

📄 許可證

本項目採用Apache - 2.0許可證。