ResearchBenchmarksDimensionality Reduction on pendigitsDimensionality Reduction on pendigitsFollow98.7kNN AccuracycuML UMAP98.38898.46998.5598.631Apr 28, 2026Evaluation resultsMethodMethodLinkskNN AccuracyTopology ErrorUMAP Dominated By CountcuML UMAPHyperparameters=defaul...Hyperparameters=default (k = 16)2026.0498.75—DiReSelection Criterion=be...Selection Criterion=best kNN accuracy, Optimization=NSGA-II Pareto search2026.0498.510DiReSelection Criterion=be...Selection Criterion=best topology error (TE), Optimization=NSGA-II Pareto search2026.0498.400