ResearchBenchmarksRegime identification on ClimateFollow97.5Regime AccuracySparsePCA93.23694.34395.4596.557May 6, 2026Evaluation ResultsMethodMethodLinksRegime AccuracyRegime ConsistencySparsePCAalpha=10alpha=102026.0597.5—SparsePCAalpha=1alpha=12026.0595.6—FastICA2026.0593.6—PCA2026.0593.4—