3 papers
stat.AP2025
Beyond Missing Data: Questionnaire Response Uncertainty as an Early Digital Sign of Dementia-Related Vulnerability
Yukun Lu, Bingjie Li, Zhigang Yao +1
Explicit "Do not know" responses are treated as missing data, although their accumulation may encode uncertainty. We analysed 502,234 UK Biobank participants to test associations b…
cs.LG2025
Enhanced High-Dimensional Data Visualization through Adaptive Multi-Scale Manifold Embedding
Tianhao Ni, Bingjie Li, Zhigang Yao
To address the dual challenges of the curse of dimensionality and the difficulty in separating intra-cluster and inter-cluster structures in high-dimensional manifold embedding, we…
stat.ML2019
Manifold Fitting in Ambient Space
Zhigang Yao, Bingjie Li, Wee Chin Tan
Modern sample points in many applications no longer comprise real vectors in a real vector space but sample points of much more complex structures, which may be represented as poin…