# Efficient data preprocessing, episode classification, and source apportionment of particle number concentrations

> Research article (The Science of The Total Environment, 2020) · cited 27× · AI/ML

**Wikidata**: [openalex:W3043246294](https://www.wikidata.org/wiki/openalex:W3043246294)  
**Source**: https://4ort.xyz/entity/efficient-data-preprocessing-episode-classification-and-source-apportionment-of-particle-number-concentrations