Article
Did you miss me? Making the most of digital phenotyping data by imputing missingness with point process models: observational study.
BMJ health & care informatics - 18 Sept 2026
Leaning Imogen E, Costanzo Andrea, Jagesar Raj, Knol Loran, Tjeerdsma Sarah, Tyborowska Anna, Ikani Nessa, Reus Lianne M, Visser Pieter Jelle, Kas Martien Jh, Beckmann Christian F, Ruhé Henricus G, Marquand Andre F
Abstract excerpt
OBJECTIVES: Smartphone-based digital phenotyping can provide low-burden behavioural measures for mental disorder monitoring. However, progress in making inferences from these data is challenged by the common occurrence of missing data. We propose a method to impute missingness using non-homogeneous Poisson point process models (PPPMs), where activities (overall phone, social media, communication app usage,...
Read the complete abstract on PubMedTopics
- Humans
- Smartphone
- Phenotype
- Hidden Markov Models
- Alzheimer Disease