Published inDeep OrigamiThe Art of Fractional Differentiation in engineering “Memory-preserving Stationary Time Series” …Prices have memory, but they are non-stationary. Returns are stationary but memory-less. We need both memory and stationarity.Nov 21, 2024Nov 21, 2024
Published inTDS ArchiveBeyond Kleinberg’s Impossibility Theorem of Clustering: A Pragmatic Clustering Evaluation FrameworkThis article explores a pragmatic evaluation framework for clustering under the constraint of Kleinberg’s Impossibility TheoremJun 21, 2024Jun 21, 2024
Published inTDS ArchiveFraud Detection with Generative Adversarial Nets (GANs)Application of GANs for data augmentation to adjust an imbalanced fraud datasetJan 29, 20241Jan 29, 20241
Published inTDS ArchiveMini-Max Optimization Design of Generative Adversarial Networks (GAN)Nested bi-level optimization and equilibrium seeking objectiveJan 12, 2024Jan 12, 2024
Published inTDS ArchiveAll You Can Game Buffet: Model Risks in the Climate-Related Physical RisksA checklist of model risks associated with CRPRsOct 25, 2022Oct 25, 2022
Published inTDS ArchiveXGBoost: its Genealogy, its Architectural Features, and its InnovationSequential and Parallel Architectures All in OneOct 20, 2022Oct 20, 2022
Published inTDS ArchivePair-Wise Hyperparameter Tuning with the Native XGBoost APISearch Global Minimum while addressing Bias-Variance Trade-offOct 19, 2022Oct 19, 2022
Published inTDS ArchiveRisk Implications of Excessive Multiple Local Minima during Hyperparameter TuningOur Epistemological Limitation and Illusion of KnowledgeOct 12, 20221Oct 12, 20221
Three Different Lessons from Three Different Clustering Analyses: Data Science CapstoneMap Risk Clusters of Neighbourhoods in the time of Pandemic: a case of Buenos AiresAug 25, 2020Aug 25, 2020
Coronavirus Japanification — When a crisis makes ”politically impossible” “politically inevitable”The historical crisis, COVID-19 pandemic, might have already staged the unexpected debut of MMT in the main stream of the world economy.Apr 4, 2020Apr 4, 2020