16 lines
381 B
Python

from numpy.typing import ArrayLike
from spatz.metrics import Metric
class MSEMetric(Metric):
def __init__(self) -> None:
"""Mean squared error
"""
super().__init__()
def _update(self, x: ArrayLike, y: ArrayLike):
if self._score is None:
self._score = 0.5 * (x - y)**2
else:
self._score += 0.5 * (x - y)**2