Source code for secretflow.ml.linear.linear_model
# Copyright 2022 Ant Group Co., Ltd.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# https://www.apache.org/licenses/LICENSE-2.0
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from enum import Enum, unique
from dataclasses import dataclass
from typing import Union, List
from secretflow.utils.sigmoid import SigType
from secretflow.device import SPUObject, PYUObject
[docs]@unique
class RegType(Enum):
Linear = 'linear'
Logistic = 'logistic'
[docs]@dataclass
class LinearModel:
"""
Unified linear regression model.
Attributes:
weights : {SPUObject, List[PYUObject]}
for mpc lr, use SPUObject save all weights; for fl lr, use list of PYUObject.
reg_type : RegType
linear regression or logistic regression model.
sig_type : SigType
which sigmoid approximation should use, only use in mpc lr.
"""
weights: Union[SPUObject, List[PYUObject]]
reg_type: RegType
sig_type: SigType