コード例 #1
0
    def setUp(self) -> None:
        np.random.seed(0)

        self.objects = pd.DataFrame(index=[
            'ZTF18abakgtm', 'ZTF18abvvcko', 'ZTF17aaaaaxg', 'ZTF18aaveorp'
        ],
                                    columns=['corrected'],
                                    data=np.random.choice(a=[False, True],
                                                          size=(4, )))
        preprocess_ztf = DetectionsPreprocessorZTF()

        raw_det_ZTF18abakgtm = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abakgtm_det.csv'),
                                           index_col="oid")
        raw_det_ZTF18abakgtm['sigmapsf_corr_ext'] = raw_det_ZTF18abakgtm[
            'sigmapsf_corr']

        raw_det_ZTF18abvvcko = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abvvcko_det.csv'),
                                           index_col="oid")
        raw_det_ZTF18abvvcko['sigmapsf_corr_ext'] = raw_det_ZTF18abvvcko[
            'sigmapsf_corr']

        raw_det_ZTF17aaaaaxg = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF17aaaaaxg_det.csv'),
                                           index_col="oid")
        raw_det_ZTF17aaaaaxg['sigmapsf_corr_ext'] = raw_det_ZTF17aaaaaxg[
            'sigmapsf_corr']

        raw_det_ZTF18aaveorp = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18aaveorp_det.csv'),
                                           index_col="oid")
        raw_det_ZTF18aaveorp['sigmapsf_corr_ext'] = raw_det_ZTF18aaveorp[
            'sigmapsf_corr']

        keys = [
            'mjd', 'fid', 'magpsf_corr', 'sigmapsf_corr_ext', 'isdiffpos',
            'magpsf', 'sigmapsf', 'ra', 'dec', 'sgscore1', 'rb'
        ]
        self.detections = pd.concat([
            raw_det_ZTF17aaaaaxg[keys], raw_det_ZTF18abvvcko[keys],
            raw_det_ZTF18abakgtm[keys], raw_det_ZTF18aaveorp[keys]
        ],
                                    axis=0)
        self.detections = preprocess_ztf.preprocess(self.detections,
                                                    objects=self.objects)

        self.detections = self.detections[[
            'mjd', 'fid', 'magpsf_ml', 'sigmapsf_ml'
        ]]
コード例 #2
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class TestObjectsMethods(unittest.TestCase):
    def setUp(self) -> None:
        self.preprocessor_ztf = DetectionsPreprocessorZTF()
        self.raw_data_ZTF18abakgtm = pd.read_csv(
            os.path.join(EXAMPLES_PATH, 'ZTF18abakgtm_det.csv'), index_col="oid")
        self.raw_data_ZTF18abakgtm['sigmapsf_corr_ext'] = self.raw_data_ZTF18abakgtm['sigmapsf_corr']
        self.fake_objects = pd.DataFrame(
            columns=['corrected'],
            index=['ZTF18abakgtm'],
            data=[[True]]
        )

    def test_preprocess_one_object(self):
        self.assertEqual(self.preprocessor_ztf.has_necessary_columns(
            self.preprocessor_ztf.get_magpsf_ml(
                self.raw_data_ZTF18abakgtm,
                self.fake_objects
            )),
            True)
        self.assertEqual(self.raw_data_ZTF18abakgtm.index.name, "oid")
        preprocessed_data = self.preprocessor_ztf.preprocess(
            self.raw_data_ZTF18abakgtm, objects=self.fake_objects)
        self.assertEqual(type(preprocessed_data), pd.DataFrame)
コード例 #3
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class TestObjectsMethods(unittest.TestCase):
    def setUp(self) -> None:
        self.preprocess_ztf = DetectionsPreprocessorZTF()
        self.fake_objects = pd.DataFrame(
            index=['ZTF17aaaaaxg', 'ZTF18abvvcko', 'ZTF18abakgtm'],
            data=[[True], [False], [True]],
            columns=['corrected'])
        self.raw_det_ZTF18abakgtm = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abakgtm_det.csv'),
                                                index_col="oid")
        self.raw_det_ZTF18abakgtm[
            'sigmapsf_corr_ext'] = self.raw_det_ZTF18abakgtm['sigmapsf_corr']
        self.raw_nondet_ZTF18abakgtm = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abakgtm_nondet.csv'),
                                                   index_col="oid")
        self.det_ZTF18abakgtm = self.preprocess_ztf.preprocess(
            self.raw_det_ZTF18abakgtm, objects=self.fake_objects)

        self.raw_det_ZTF18abvvcko = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abvvcko_det.csv'),
                                                index_col="oid")
        self.raw_det_ZTF18abvvcko[
            'sigmapsf_corr_ext'] = self.raw_det_ZTF18abvvcko['sigmapsf_corr']
        self.raw_nondet_ZTF18abvvcko = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF18abvvcko_nondet.csv'),
                                                   index_col="oid")
        self.det_ZTF18abvvcko = self.preprocess_ztf.preprocess(
            self.raw_det_ZTF18abvvcko, objects=self.fake_objects)

        self.raw_det_ZTF17aaaaaxg = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF17aaaaaxg_det.csv'),
                                                index_col="oid")
        self.raw_det_ZTF17aaaaaxg[
            'sigmapsf_corr_ext'] = self.raw_det_ZTF17aaaaaxg['sigmapsf_corr']
        self.raw_nondet_ZTF17aaaaaxg = pd.read_csv(os.path.join(
            EXAMPLES_PATH, 'ZTF17aaaaaxg_nondet.csv'),
                                                   index_col="oid")
        self.det_ZTF17aaaaaxg = self.preprocess_ztf.preprocess(
            self.raw_det_ZTF17aaaaaxg, objects=self.fake_objects)

    def turbofats_features(self):
        turbofats_extractor = TurboFatsFeatureExtractor()
        turbofats_fs = turbofats_extractor.compute_features(
            self.det_ZTF18abakgtm)
        expected_cols = [
            'Amplitude', 'AndersonDarling', 'Autocor_length', 'Beyond1Std',
            'Con', 'Eta_e', 'Gskew', 'MaxSlope', 'Mean', 'Meanvariance',
            'MedianAbsDev', 'MedianBRP', 'PairSlopeTrend', 'PercentAmplitude',
            'Q31', 'Rcs', 'Skew', 'SmallKurtosis', 'Std', 'StetsonK',
            'Harmonics_mag_1', 'Harmonics_mag_2', 'Harmonics_mag_3',
            'Harmonics_mag_4', 'Harmonics_mag_5', 'Harmonics_mag_6',
            'Harmonics_mag_7', 'Harmonics_phase_2', 'Harmonics_phase_3',
            'Harmonics_phase_4', 'Harmonics_phase_5', 'Harmonics_phase_6',
            'Harmonics_phase_7', 'Harmonics_mse', 'Pvar', 'ExcessVar',
            'GP_DRW_sigma', 'GP_DRW_tau', 'SF_ML_amplitude', 'SF_ML_gamma',
            'IAR_phi', 'LinearTrend'
        ]
        self.assertEqual(type(turbofats_fs), pd.DataFrame)
        self.assertEqual(len(turbofats_fs), len(expected_cols))
        self.assertListEqual(turbofats_fs.columns, expected_cols)

    def test_color_features(self):
        color_extractor = ColorFeatureExtractor()
        color_fs = color_extractor.compute_features(self.det_ZTF17aaaaaxg)
        self.assertEqual(type(color_fs), pd.DataFrame)
        self.assertEqual(len(color_fs.columns),
                         len(color_extractor.get_features_keys()))
        self.assertListEqual(list(color_fs.columns),
                             color_extractor.get_features_keys())

    def test_galactic_coordinates_features(self):
        galactic_extractor = GalacticCoordinatesExtractor()
        galactic_fs = galactic_extractor.compute_features(
            self.det_ZTF18abakgtm)
        self.assertEqual(type(galactic_fs), pd.DataFrame)
        self.assertEqual(len(galactic_fs.columns), 2)
        self.assertListEqual(list(galactic_fs.columns),
                             galactic_extractor.get_features_keys())

    def test_real_bogus_features(self):
        rb_extractor = RealBogusExtractor()
        rb_fs = rb_extractor.compute_features(self.det_ZTF18abakgtm)
        self.assertEqual(type(rb_fs), pd.DataFrame)

    def test_sg_score_features(self):
        sg_score = SGScoreExtractor()
        sg_fs = sg_score.compute_features(self.det_ZTF18abakgtm)
        self.assertEqual(type(sg_fs), pd.DataFrame)

    def test_sn_detections_features(self):
        sn_det_extractor = SupernovaeDetectionFeatureExtractor()
        sn_fs = sn_det_extractor.compute_features(self.det_ZTF18abakgtm)
        self.assertEqual(type(sn_fs), pd.DataFrame)

    def test_sn_non_detections_features(self):
        sn_non_det_extractor = SupernovaeDetectionAndNonDetectionFeatureExtractor(
        )
        sn_non_det = sn_non_det_extractor.compute_features(
            self.det_ZTF18abakgtm, non_detections=self.raw_nondet_ZTF18abakgtm)
        self.assertEqual(type(sn_non_det), pd.DataFrame)

    def test_wise_features_ok(self):
        wise_extractor = WiseStaticExtractor()
        wise_features = wise_extractor.compute_features(
            self.det_ZTF17aaaaaxg, non_detections=self.raw_nondet_ZTF17aaaaaxg)
        self.assertEqual(type(wise_features), pd.DataFrame)
        self.assertEqual(len(wise_features.dropna()), 1)

    def test_wise_features_not_found(self):
        wise_extractor = WiseStaticExtractor()
        wise_features = wise_extractor.compute_features(
            self.det_ZTF18abakgtm, non_detections=self.raw_nondet_ZTF18abakgtm)
        self.assertEqual(type(wise_features), pd.DataFrame)
        self.assertEqual(len(wise_features.dropna()), 0)
コード例 #4
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unused_classes = ['TDE', 'ZZ']
rename_class_dictionary = {
    'EA': 'EB',
    'EB/EW': 'EB',
    'RSCVn': 'Periodic-Other',
    'SNIIb': 'SNII',
    'SNIIn': 'SNII'
}

labels = labels[~labels.classALeRCE.isin(unused_classes)].copy()
labels['classALeRCE'] = labels['classALeRCE'].map(
    rename_class_dictionary).fillna(labels['classALeRCE'])

# Intersecting labels and detections
valid_oids = detections.index.unique().intersection(labels.index.unique())

labeled_detections = detections.loc[valid_oids]
labels = labels.loc[valid_oids].copy()

valid_oids = valid_oids.intersection(non_detections.index.unique())
labeled_non_detections = non_detections.loc[valid_oids]

# ZTF preprocessing
preprocessor_ztf = DetectionsPreprocessorZTF()
labeled_detections = preprocessor_ztf.preprocess(labeled_detections)

# Save data
labeled_detections.to_pickle('dataset_detections.pkl')
labeled_non_detections.to_pickle('dataset_non_detections.pkl')
labels.to_pickle('dataset_labels.pkl')
コード例 #5
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import sys
import pandas as pd
from late_classifier.features import DetectionsPreprocessorZTF

detections = pd.read_pickle(sys.argv[1])
non_detections = pd.read_pickle(sys.argv[2])

preprocessor_ztf = DetectionsPreprocessorZTF()
detections = preprocessor_ztf.preprocess(detections)

oid_intersection = detections.index.unique().intersection(
    non_detections.index.unique())

non_detections = non_detections.loc[oid_intersection]

detections.to_pickle(sys.argv[3])
non_detections.to_pickle(sys.argv[4])