19 lines
516 B
Python
19 lines
516 B
Python
import numpy as np
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from .._explainer import Explainer
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class Coefficient(Explainer):
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"""Simply returns the model coefficients as the feature attributions.
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This is only for benchmark comparisons and does not approximate SHAP values in a
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meaningful way.
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"""
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def __init__(self, model):
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assert hasattr(model, "coef_"), "The passed model does not have a coef_ attribute!"
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self.model = model
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def attributions(self, X):
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return np.tile(self.model.coef_, (X.shape[0], 1))
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