Research Article
LGBM-CBFS: A Heuristic Feature Sampling Method Based on Tree Ensembles
Table 2
The number of different types of features.
| | Dataset | #Features | #valid_features | #key_features |
| | Higgs | 28 | 22 | 6 | | News20 | 50K | 1090 | 179 | | Real-sim | 20958 | 797 | 61 | | Kdda | 20216830 | 1170 | 199 |
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