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Does DALEX work with PyTorch models? #565

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yanghuikang opened this issue May 29, 2024 · 3 comments
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Does DALEX work with PyTorch models? #565

yanghuikang opened this issue May 29, 2024 · 3 comments
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@yanghuikang
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I've been using DALEX to make ALE profiles for xgboost models, and recently want to test neural networks. I see that tensorflow is supported and wonder if there is a way to use it with PyTorch.

@hbaniecki
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hbaniecki commented May 29, 2024

Hi, dalex will work with any model for which you can pass a predict_function to dx.Explainer. This function inputs a model with data as np.ndarray pd.DataFrame and returns a 1-dimensional np.ndarray with model predictions. Examples of such predict functions: https://github.com/ModelOriented/DALEX/blob/master/python/dalex/dalex/_explainer/yhat.py

Notably, for tensorflow, it looks like this:

def yhat_tf_regression(m, d):
    return m.predict(np.array(d), verbose=0).reshape(-1, )

def yhat_tf_classification(m, d):
    return m.predict(np.array(d), verbose=0)[:, 1]

@hbaniecki hbaniecki added the question ❔ Further information is requested label May 29, 2024
@yanghuikang
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Thank you very much! I will test it with PyTorch.

@hbaniecki
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reopen if needed

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