# Copyright 2019-2022 The ASReview Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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__all__ = ["SimpleBalance"]
from asreview.models.balance.base import BaseBalance
[docs]
class SimpleBalance(BaseBalance):
"""No balance strategy (``simple``).
Use all training data.
"""
name = "simple"
label = "Simple (no balancing)"
[docs]
def sample(self, X, y, train_idx):
"""
Function that does not resample the training set.
Arguments
---------
X: numpy.ndarray
Complete matrix of all samples.
y: numpy.ndarray
Classified results of all samples.
Returns
-------
numpy.ndarray:
Training samples.
numpy.ndarray:
Classification of training samples.
"""
return X[train_idx], y[train_idx]