src/fonduer/learning/models/prediction.py
"""Fonduer learning prediction model."""
from sqlalchemy import Column, Float
from fonduer.meta import Meta
from fonduer.utils.models.annotation import AnnotationKeyMixin, AnnotationMixin
class PredictionKey(AnnotationKeyMixin, Meta.Base):
"""A Prediction's annotation key."""
pass
class Prediction(AnnotationMixin, Meta.Base):
"""A Prediction table.
A probability associated with a Candidate, indicating the degree of belief
that the Candidate is true.
A Prediction's annotation key indicates which process or method produced
the Prediction, e.g., which model with which ParameterSet.
"""
value = Column(Float, nullable=False)