# Improved swarm intelligence algorithms with time-varying modified Sigmoid transfer function for Amphetamine-type stimulants drug classification

> Research article (Chemometrics and Intelligent Laboratory Systems, 2022) · cited 16× · AI/ML

**Wikidata**: [openalex:W4229007727](https://www.wikidata.org/wiki/openalex:W4229007727)  
**Source**: https://4ort.xyz/entity/improved-swarm-intelligence-algorithms-with-time-varying-modified-sigmoid-transfer-function-for-amphetamine-type-stimula