Fix XGBRegressor binary:logistic ONNX conversion producing wrong predictions#771

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JOSH1024 wants to merge 13 commits into

JOSH1024:test-pr758-fix

Commits on Jun 10, 2026

Fix XGBRegressor binary logistic conversion
joshua
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Fix XGBoost categorical test inputs
joshua
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Stabilize binary classifier post transforms
joshua
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Fix XGBRegressor binary:logistic ONNX conversion and LightGBM post_transform regression
joshua
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Fix Copilot review comments: pop base_values safely, fix classifier test assertions, add random_state to regression test
joshua
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Fix base_score validation and comment indentation
joshua
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Fix base_score logit transform for binary classifier and drop overwrite_existing kwarg
joshua
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Fix base_score logit transform: gate on XGBoost version, drop overwrite_existing kwarg
joshua
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Fix binary classifier weights for onnxruntime >=1.22
joshua
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Commits on Jun 11, 2026

Commits on Jun 18, 2026

Fix SparkML/XGBoost binary classifier regressions: tree node remapping, base_score logit transform, and TreeEnsembleClassifier label workarounds
joshua
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