3 papers
stat.ML2021
Shape-Preserving Dimensionality Reduction : An Algorithm and Measures of Topological Equivalence
Byeongsu Yu, Kisung You
We introduce a linear dimensionality reduction technique preserving topological features via persistent homology. The method is designed to find linear projection which preserv…
stat.ME2019
Data transforming augmentation for heteroscedastic models
Hyungsuk Tak, Kisung You, Sujit K. Ghosh +2
Data augmentation (DA) turns seemingly intractable computational problems into simple ones by augmenting latent missing data. In addition to computational simplicity, it is now wel…
stat.AP2018
Bayesian Hierarchical Spatial Model for Small Area Estimation with Non-ignorable Nonresponses and Its Applications to the NHANES Dental Caries Assessments
Ick Hoon Jin, Fang Liu, Evercita C. Eugenio +2
The National Health and Nutrition Examination Survey (NHANES) is a major program of the National Center for Health Statistics, designed to assess the health and nutritional status…