Chapter 3. Data Exploration

In this chapter, we will go through the main functions of KNIME visualization (except reporting) and other techniques to explore the data you have. This can be helpful when you want to do the preprocessing too, but you can also check the result of visualization or see how well they fit the computed models and the test/validation data. The topics covered in this chapter are as follows:

  • Statistics
  • Distance matrix
  • Visual properties
  • KNIME views and HiLiting
  • JFreeChart nodes
  • Some third party visualization options
  • Tips with HiLiting
  • Visualizing models

Computing statistics

When you want to explore your data, it usually is a good idea to compute some statistics about them so that you can spot the obviously wrong data (for example, when ...

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