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picture1_Data Mining Textbook Pdf 91366 | Chapter 02


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File: Data Mining Textbook Pdf 91366 | Chapter 02
data mining concepts and techniques chapter 2 2nd edition han and kamber note materials of this presentation are from chapter 2 2nd edition of textbook unless mentioned otherwise jiawei han ...

icon picture PDF Filetype PDF | Posted on 16 Sep 2022 | 2 years ago
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...Data mining concepts and techniques chapter nd edition han kamber note materials of this presentation are from textbook unless mentioned otherwise jiawei department computer science university illinois at urbana champaign www cs uiuc edu hanj micheline all rights reserved february preprocessing why preprocess the descriptive summarization ch rdedition cleaning integration transformation reduction discretization concept hierarchy generation summary in real world is dirty incomplete lacking attribute values certain attributes interest or containing only aggregate e g occupation noisy errors outliers salary inconsistent discrepancies codes names age birthday was rating now a b c discrepancy between duplicate records...

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