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stat.ME2026
Sparse Longitudinal Functional Principal Component Analysis for Episodic Ambulatory Behavioral Assessments
Nidhi Pai, Yu Fang, Srijan Sen +2
Accurately monitoring mental fatigue is critical for improving workplace safety and productivity. A recent study examined unobtrusively collected smartphone typing speed as a poten…
stat.ME2026
PCA score regression: the art of losing power
Yu Lu, Nidhi Pai, Erjia Cui +1
The regression of principal component scores (RPCS) on covariates is a widely used analytic approach to detect and test for associations between functional measurements and study p…