Determining the number of factors for non-negative matrix and its application in source apportionment of air pollution in Singapore
Crossref DOI link: https://doi.org/10.1007/s00477-019-01677-z
Published Online: 2019-06-14
Published Print: 2019-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Yan, Mei
Yang, Xiaojie
Hang, Weiqiang
Xia, Yingcun
Funding for this research was provided by:
MOE grant of Singapore (R-155-000-193-114)
Text and Data Mining valid from 2019-06-01
Version of Record valid from 2019-06-01
Article History
First Online: 14 June 2019