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[Hoxfix] fix huber objective bugs #22

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Aug 29, 2024
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[Hoxfix] fix huber objective bugs #22

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4 changes: 2 additions & 2 deletions mqboost/objective.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
from functools import partial
from typing import Any, Callable, List, Tuple
from typing import Any, Callable, List, Optional, Tuple

import numpy as np

Expand All @@ -21,7 +21,7 @@ def _grad_rho(u: np.ndarray, alpha: float) -> np.ndarray:
return (u < 0).astype(int) - alpha


def _hess_rho(u: np.ndarray, alpha: float) -> np.ndarray:
def _hess_rho(u: np.ndarray, alpha: float, delta: Optional[float] = None) -> np.ndarray:
"""
Compute the Hessian of the check and huber loss function.
Args:
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