A Comparison of Dimension Reduction Methods for High-dimensional Sparse Data with Application to Text Data

碩士 === 國立臺北大學 === 統計學系 === 106 === The term frequency is an important quantity in the analysis of text data. It represents the frequency of some specified terms that occurs in the text documents. Therefore, the creation of the structured term frequency matrix from a large number of unstructured text...

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Bibliographic Details
Main Authors: CHANG, FANG-CHI, 張芳綺
Other Authors: WU, HAN-MING
Format: Others
Language:zh-TW
Published: 2018
Online Access:http://ndltd.ncl.edu.tw/handle/cu9qdp