2 papers
stat.AP2025
Mapping urban air quality using mobile and fixed low cost sensors: a model comparison
Yacine Mohamed Idir, Olivier Orfila, Patrice Chatellier +2
This study addresses the critical challenge of modeling and mapping urban air quality to ascertain pollutant concentrations in unmonitored locations. The advent of low-cost sensors…
stat.ME2025
Improving Spatio-temporal Gaussian Process Modeling with Vecchia Approximation: A Low-Cost Sensor-Driven Approach to Urban Environmental Monitoring
Yacine Mohamed Idir, Olivier Orfila, Patrice Chatellier +1
This paper explores Vecchia likelihood approximation for modeling physical phenomena sensed by mobile and fixed low-cost sensors in urban environments. A three-level hierarchical m…