File size: 1,281 Bytes
b0c0df0 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 |
# Copyright 2017 Google Inc.
#
# 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.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Abstract class for sampling methods.
Provides interface to sampling methods that allow same signature
for select_batch. Each subclass implements select_batch_ with the desired
signature for readability.
"""
import abc
import numpy as np
class SamplingMethod(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def __init__(self, X, **kwargs):
self.X = X
def flatten_X(self):
shape = self.X.shape
flat_X = self.X
if len(shape) > 2:
flat_X = np.reshape(self.X, (shape[0], np.product(shape[1:])))
return flat_X
@abc.abstractmethod
def select_batch(self):
return
def to_dict(self):
return None
|