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add gputree support #291

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add gputree support #291

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15 changes: 11 additions & 4 deletions explainerdashboard/explainers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -321,12 +321,12 @@ def __init__(
"sklearn-compatible NeuralNet wrapper are supported for now! "
"See https://github.com/skorch-dev/skorch"
)
assert shap in ["tree", "linear", "deep", "kernel", "skorch"], (
"ERROR! Only shap='guess', 'tree', 'linear', ' kernel' or 'skorch' are "
" supported for now!"
assert shap in ["tree", "linear", "deep", "kernel", "skorch", "gputree"], (
"ERROR! Only shap='guess', 'tree', 'linear', ' kernel', 'skorch' "
"or 'gputree' are supported for now!"
)
self.shap = shap
if self.shap in {"kernel", "skorch", "linear"}:
if self.shap in {"kernel", "skorch", "linear", "gputree"}:
print(
f"WARNING: For shap='{self.shap}', shap interaction values can unfortunately "
"not be calculated!"
Expand Down Expand Up @@ -1123,6 +1123,13 @@ def model_predict(data_asarray):
if self.X_background is not None
else shap.sample(self.X, 50),
)
elif self.shap == "gputree":
print(
"Generating self.shap_explainer = shap.explainer.GPUTree(model, X)."
"Make sure you have a cuda enabled GPU and followed installation"
"instructions at https://shap.readthedocs.io/en/latest/example_notebooks/api_examples/explainers/GPUTree.html#" # noqa: E501
)
self._shap_explainer = shap.explainers.GPUTree(self.model, self.X)
return self._shap_explainer

@insert_pos_label
Expand Down