14 Data Mining Data Types of Data Sets 15 Data Mining Data Types of Data Sets

14 data mining data types of data sets 15 data mining

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Data Mining Data Types of Data Sets 15
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Data Mining Data Types of Data Sets We define types of Data Sets into three categories namely, Record Data , Graph-based Data , Ordered Data , and Spatial, Image and Multimedia Data . 16
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Data Mining Data Record Data Majority of Data Mining work assumes that data is a collection of records (data objects). The most basic form of record data has no explicit relationship among records or data fields, and every record (object) has the same set of attributes. Record data is usually stored either in flat files or in relational databases. 17
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Data Mining Data Record Data 18
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Data Mining Data Graph-based Data 19 (a) World Wide Web (b) Molecular Structures Source: Introduction to Data Mining — Pang-Ning Tan, Michael Steinbach, Vipin Kumar
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Data Mining Data Graph-based Data 20 Source: https :// Source: https:// neo4j.com / (c) Transportation network (d) Social or Information Networks
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Data Mining Data Ordered Data Video data: sequence of images Temporal data: time-series Sequential Data: transaction sequences Genetic sequence data 21
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Data Mining Data Spatial, Image and Multimedia Data 22 Spatial data: maps Image data Video data
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Data Mining Data Summary Data sets are made up of data objects . Attribute is a data field, representing a characteristic or feature of a data object . Important characteristics of data sets Dimensionality Sparsity Resolution Types of data sets Record Data Graph-based Data Ordered Data Spatial, Image, and Multimedia Data 23
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Data Mining Data Questions 24 Next time: Exploratory Data Analysis Reading: Han Ch. 2
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