3 papers
stat.AP2025
Second-order spatial analysis of shapes of tumor cell nuclei
Ye Jin Choi, Sebastian Kurtek, Simeng Zhu +1
Intra-tumor heterogeneity driving disease progression is characterized by distinct growth and spatial proliferation patterns of cells and their nuclei within tumor and non-tumor ti…
stat.ME2025
Geometry-driven Bayesian Inference for Ultrametric Covariance Matrices
Tsung-Hung Yao, Zhenke Wu, Karthik Bharath +1
Ultrametric matrices are a class of covariance matrices that arise in latent tree models. As a parameter space in a statistical model, the set of ultrametric matrices is neither co…
stat.ME2024
Probabilistic size-and-shape functional mixed models
Fangyi Wang, Karthik Bharath, Oksana Chkrebtii +1
The reliable recovery and uncertainty quantification of a fixed effect function in a functional mixed model, for modelling population- and object-level variability in noisily…