2 papers
physics.soc-ph2026
A Latent Oscillator Measurement Model to Simulate Emotional-Expression Score Dynamics in Video
Aleksandar Tomašević, Hudson Golino, Alexander P. Christensen
Facial-expression classifiers convert video into multivariate time series of scores with measurement error from classifiers, videos, and recording conditions. Empirical score serie…
stat.ME2026
Adaptive Regularization via Extreme Value Distributions for Gaussian Graphical Models
Alexander P. Christensen, Jeongwon Choi, Haoyi Yang +1
Edge selection in Gaussian graphical models is fundamentally a variable selection problem where pairwise relationships determine construct validity and variable importance in psych…