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Synthetic Data Generator (Nominal)

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Versionv1.0Latest, created on 
Oct 20, 2023 1:29 PM
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This component generates synthetic values into a nominal column based on the frequency distribution of the original nominal column. It’s also possible to generate synthetic data based on the multivariate frequency distribution of the nominal column and one or more dependency columns. The synthetic value of each row in the original data can be recognized by the row ID. In addition, it is possible to exclude too few original examples from the data generation, and add random noise to the synthetic data. Synthetic data generation is used, for example, when the original data is confidential (anonymization) or difficult or expensive to collect.

Component details

Input ports
  1. Type: Table
    Original Data
    The original nominal column and possibly dependency columns
Output ports
  1. Type: Table
    Synthetic Data
    The synthetic nominal column together with the original row IDs
  2. Type: Table
    Statistics Table
    The frequency distribution of the original nominal column and possibly the dependency columns
  3. Type: Table
    Input Data Dependency Group Mapping
    The dependency group ID of each row ID in the original data

Used extensions & nodes

Created with KNIME Analytics Platform version 4.4.2
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    KNIME JavasnippetTrusted extension

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    KNIME Math Expression (JEP)Trusted extension

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This component does not have nodes, extensions, nested components and related workflows

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