Using Non-negative Matrix Factorization to study the air pollution in central Taiwan regions

碩士 === 國立中興大學 === 應用數學系所 === 107 === In this thesis, we analyze the main sources of pollution for SO2, NO2, PM10 and PM2.5. We using non-negative matrix factorization (NMF) to perform dimension reduction on the data and using cophenetic correlation to determine the number of components. Then we visu...

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Bibliographic Details
Main Authors: Jui-Fang Chang, 張睿舫
Other Authors: Yin-Tzer Shih
Format: Others
Language:zh-TW
Published: 2019
Online Access:http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5507028%22.&searchmode=basic