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Wrote a bunch of tests for the ActiveLearner select function. Fixed i…
…ssues that showed up as tests were written
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# Copyright 2023 Ian Rankin | ||
# | ||
# Permission is hereby granted, free of charge, to any person obtaining a copy of this | ||
# software and associated documentation files (the "Software"), to deal in the Software | ||
# without restriction, including without limitation the rights to use, copy, modify, merge, | ||
# publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons | ||
# to whom the Software is furnished to do so, subject to the following conditions: | ||
# | ||
# The above copyright notice and this permission notice shall be included in all copies or | ||
# substantial portions of the Software. | ||
# | ||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | ||
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | ||
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE | ||
# FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
# DEALINGS IN THE SOFTWARE. | ||
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# BestLearner.py | ||
# Written Ian Rankin - February 2022 | ||
# | ||
# A very simple algorithm that just always selects the best viable solutions | ||
# Mostly intended for test cases | ||
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import numpy as np | ||
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from lop.active_learning import ActiveLearner | ||
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import pdb | ||
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class BestLearner(ActiveLearner): | ||
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## select_greedy | ||
# This function greedily selects the best single data point | ||
# Depending on the selection method, you are not forced to implement this function | ||
# @param candidate_pts - a numpy array of points (nxk), n = number points, k = number of dimmensions | ||
# @param mu - a numpy array of mu values outputed from predict. numpy (n) | ||
# @param data - a user defined tuple of data (determined by the predict function of the model) | ||
# @param indicies - a list or set of indicies in candidate points to consider. | ||
# | ||
# @return the index of the greedy selection. | ||
def select_greedy(self, candidate_pts, mu, data, indicies): | ||
indicies = list(indicies) | ||
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select_mu = mu[indicies] | ||
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return indicies[np.argmax(select_mu)] | ||
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class WorstLearner(ActiveLearner): | ||
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## select_greedy | ||
# This function greedily selects the best single data point | ||
# Depending on the selection method, you are not forced to implement this function | ||
# @param candidate_pts - a numpy array of points (nxk), n = number points, k = number of dimmensions | ||
# @param mu - a numpy array of mu values outputed from predict. numpy (n) | ||
# @param data - a user defined tuple of data (determined by the predict function of the model) | ||
# @param indicies - a list or set of indicies in candidate points to consider. | ||
# | ||
# @return the index of the greedy selection. | ||
def select_greedy(self, candidate_pts, mu, data, indicies): | ||
indicies = list(indicies) | ||
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select_mu = mu[indicies] | ||
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return indicies[np.argmin(select_mu)] | ||
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# init the active_learning subfolder | ||
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from .ActiveLearner import ActiveLearner | ||
from .ActiveLearner import ActiveLearner | ||
from .BestLearner import BestLearner, WorstLearner |
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