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PLAsTiCC 测试仪经典特征,以往研究中用于光变曲线分类的共同特征

PLAsTiCC 测试仪经典特征,以往研究中用于光变曲线分类的共同特征

9.02G
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Feature Engineering,Time Series Analysis,Astronomy Classification

This dataset is a collection of extracted time series features from the test set of the PLAsTiCC challenge. The features......

数据结构 ? 9.02G

    README.md

    This dataset is a collection of extracted time series features from the test set of the PLAsTiCC challenge. The features are extracted using the Cesium package. The actual list of features extracted is as follows:

    used_features = ['amplitude',
                    'flux_percentile_ratio_mid20',
                    'flux_percentile_ratio_mid35',
                    'flux_percentile_ratio_mid50',
                    'flux_percentile_ratio_mid65',
                    'flux_percentile_ratio_mid80',
                    'max_slope',
                    'linear_trend',
                    'median_absolute_deviation',
                    'percent_close_to_median',
                    'percent_difference_flux_percentile',
                    'percent_amplitude',
                    'qso_log_chi2_qsonu',
                    'qso_log_chi2nuNULL_chi2nu',
                    'skew',
                    'std',
                    'stetson_j',
                    'stetson_k',
                    'freq1_amplitude1',
                     'freq1_amplitude2',
                     'freq1_amplitude3',
                     'freq1_amplitude4',
                    'freq1_freq',
                     'freq1_rel_phase2',
                     'freq1_rel_phase3',
                     'freq1_rel_phase4',
                     'freq2_amplitude1',
                     'freq2_amplitude2',
                     'freq2_amplitude3',
                     'freq2_amplitude4',
                     'freq2_freq',
                     'freq2_rel_phase2',
                     'freq2_rel_phase3',
                     'freq2_rel_phase4',
                     'freq3_amplitude1',
                     'freq3_amplitude2',
                     'freq3_amplitude3',
                     'freq3_amplitude4',
                     'freq3_freq',
                     'freq3_rel_phase2',
                    'freq3_rel_phase3',
                     'freq3_rel_phase4',
                    'freq1_signif',
                    'freq_signif_ratio_21',
                     'freq_signif_ratio_31',
                     'freq_y_offset',
                    'freq_varrat'

    The full feature set uses the recommendations in Richards et al., although a few features are not available in Cesium.


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