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Data Pre-processing

Description

Mind Map on Data Pre-processing, created by chottuajith7 on 19/02/2015.
chottuajith7
Mind Map by chottuajith7, updated more than 1 year ago
chottuajith7
Created by chottuajith7 over 10 years ago
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Resource summary

Data Pre-processing
  1. Why Preprocess the Data?
    1. Data Cleaning
      1. Missing Values
        1. Noisy Data
          1. Data Cleaning as a Process
          2. Data Integration and Transformation
            1. Data Integration
              1. Data Transformation
                1. Smoothing
                  1. Aggregation
                    1. Generalization
                      1. Normalization
                        1. Attribute construction
                      2. Data Reduction
                        1. Data Cube Aggregation
                          1. Attribute Subset Selection
                            1. Dimensionality Reduction
                              1. Numerosity Reduction
                              2. Data Discretization and Concept Hierarchy Generation
                                1. Discretization and Concept Hierarchy Generation for Numerical Data
                                  1. Concept Hierarchy Generation for Categorical Data
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