PM2.5 concentration prediction model of least squares support vector machine based on feature vector
LI Long MA Lei HE Jianfeng SHAO Dangguo YI Sanli XIANG Yan LIU Lifang
Journal of Computer Applications . 2014, (8): 2212 -2216 .  DOI: 10.11772/j.issn.1001-9081.2014.08.2212