4 papers · 1 filter
Filling survey gaps in food security monitoring with spatio-temporal additive Gaussian process models
Emma Kopp, Sahoko Ishida, Rebecca Leygonie +1
Ensuring food security across all regions of a country requires continuous monitoring, yet household surveys often leave significant spatio-temporal gaps due to resource constraint…
Interpreting Learning Under Competing Models: Joint and Stepwise Approaches for Dynamic Cognitive Diagnosis
Yawen Ma, Sahoko Ishida, Kate Cain +1
Digital learning environments record learners' responses to individual items, making it possible to study the development of specific skills rather than overall scores. Drawing con…
NLP-Informed Dynamic Cognitive Diagnosis Modelling
Yawen Ma, Sahoko Ishida, Kate Cain +1
Digital learning platforms are increasingly used to support reading development while generating rich log files and item-level textual content. Using these data, this study propose…
Mapping Subnational Vulnerability to Inadequate Micronutrient Intake using a Bayesian Small Area Estimation Framework
Sahoko Ishida, Mohammed Osman, Ziyao Cui +8
Inadequate dietary micronutrient intake is a significant risk factor for deficiency and remains a major global health challenge. Nutrition programmes and interventions are most eff…