Sait C. Sofuoǧlu

Validation Design Governs the Apparent Performance of Machine Learning Calibration for Low-Cost Optical Particle Counters: A PM1 Study

Low-cost optical particle counters (OPCs) are increasingly deployed to resolve spatial variability in indoor particulate matter levels that sparse reference networks cannot capture, but their output requires field calibration. We evaluated three co-located low-cost sensors agains...