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Data Pre-processing

Data Pre-processing

Data Pre-processing. Data cleaning Fill in missing values, smooth noisy data, identify or remove outliers, and resolve inconsistencies Data integration Integration of multiple databases, data cubes, or files Data transformation Normalization and aggregation Data reduction

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738 views • 55 slides
Data Mining: Data Preparation

Data Mining: Data Preparation

Data Mining: Data Preparation. Data Preprocessing. Why preprocess the data? Data cleaning Data integration and transformation Data reduction Discretization and concept hierarchy generation Summary. Why Data Preprocessing?. Data in the real world is dirty

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636 views • 37 slides
Data Mining: Data Preparation

Data Mining: Data Preparation

Data Mining: Data Preparation. Data Preprocessing. Why preprocess the data? Data cleaning Data integration and transformation Data reduction Discretization and concept hierarchy generation Summary. Why Data Preprocessing?. Data in the real world is dirty

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931 views • 37 slides
Data Mining: Data Preparation

Data Mining: Data Preparation

Data Mining: Data Preparation. Data Preprocessing. Why preprocess the data? Data cleaning Data integration and transformation Data reduction Discretization and concept hierarchy generation Summary. Why Data Preprocessing?. Data in the real world is dirty

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742 views • 37 slides
A dynamic-programming algorithm for hierarchical discretization of continuous attributes

A dynamic-programming algorithm for hierarchical discretization of continuous attributes

A dynamic-programming algorithm for hierarchical discretization of continuous attributes. Amit Goyal (15 st April 2008) Department of Computer Science The University of British Columbia. Reference.

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570 views • 31 slides

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