119 lines
3.9 KiB
119 lines
3.9 KiB
6 years ago
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import sys
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ANALYTICS_PATH = '../analytics'
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TESTS_PATH = '../tests'
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sys.path.extend([ANALYTICS_PATH, TESTS_PATH])
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import pandas as pd
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import numpy as np
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import utils
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import models
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import test_dataset
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# TODO: get_dataset
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# TODO: get_segment
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PEAK_DATASETS = []
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# dataset with 3 peaks
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TEST_DATA = test_dataset.create_dataframe([0, 3, 5, 7, 5, 3, 0, 0, 1, 0, 1, 4, 6, 8, 6, 4, 1, 0, 0, 0, 1, 0, 3, 5, 7, 5, 3, 0, 1, 1])
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POSITIVE_SEGMENTS = [(1523889000000, 1523889000006), (1523889000021, 1523889000027)]
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NEGATIVE_SEGMENTS = [(1523889000009, 1523889000017)]
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class Segment():
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def __init__(self, start: int, end: int, labeled: bool):
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self.start = start
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self.end = end
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self.labeled = labeled
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def get_segment(self):
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return {
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'_id': 'q',
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'analyticUnitId': 'q',
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'from': self.start,
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'to': self.end,
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'labeled': self.labeled,
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'deleted': not self.labeled
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}
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class Metric():
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def __init__(self, true_result, model_result):
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self.true_result = true_result
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self.model_result = model_result['segments']
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def get_amount(self):
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return len(self.model_result) / len(self.true_result)
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def get_accuracy(self):
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correct_segment = 0
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invalid_segment = 0
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for segment in self.model_result:
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current_cs = correct_segment
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for pattern in self.true_result:
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if pattern[0] <= segment[0] and pattern[1] >= segment[1]:
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correct_segment += 1
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break
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if correct_segment == current_cs:
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invalid_segment += 1
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non_detected = len(self.true_result) - correct_segment
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return (correct_segment, invalid_segment, non_detected)
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class ModelData():
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def __init__(self, frame: pd.DataFrame, positive_segments, negative_segments, model_type: str):
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self.frame = frame
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self.positive_segments = positive_segments
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self.negative_segments = negative_segments
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self.model_type = model_type
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def get_segments_for_detection(self, positive_amount, negative_amount):
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segments = []
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for idx, bounds in enumerate(self.positive_segments):
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if idx >= positive_amount:
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break
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segments.append(Segment(bounds[0], bounds[1], True).get_segment())
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for idx, bounds in enumerate(self.negative_segments):
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if idx >= negative_amount:
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break
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segments.append(Segment(bounds[0], bounds[1], False).get_segment())
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return segments
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def get_all_correct_segments(self):
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return self.positive_segments
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PEAK_DATA_1 = ModelData(TEST_DATA, POSITIVE_SEGMENTS, NEGATIVE_SEGMENTS, 'peak')
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PEAK_DATASETS.append(PEAK_DATA_1)
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def main(model_type: str) -> None:
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table_metric = []
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if model_type == 'peak':
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for data in PEAK_DATASETS:
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dataset = data.frame
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segments = data.get_segments_for_detection(1, 0)
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model = models.PeakModel()
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cache = model.fit(dataset, segments, 'test', {})
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detect_result = model.detect(dataset, 'test', cache)
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peak_metric = Metric(data.get_all_correct_segments(), detect_result)
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table_metric.append((peak_metric.get_amount(), peak_metric.get_accuracy()))
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return table_metric
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if __name__ == '__main__':
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'''
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This tool applies the model on datasets and verifies that the detection result corresponds to the correct values.
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sys.argv[1] expects one of the models name -> see correct_name
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'''
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# TODO: use enum
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correct_name = ['peak', 'trough', 'jump', 'drop', 'general']
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if len(sys.argv) < 2:
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print('Enter one of models name: {}'.format(correct_name))
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sys.exit(1)
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model_type = str(sys.argv[1]).lower()
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if model_type in correct_name:
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print(main(model_type))
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else:
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print('Enter one of models name: {}'.format(correct_name))
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