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Data Visualization

• Why data visualization?
• Gain insight into an information space by mapping data onto graphical primitives
• Provide qualitative overview of large data sets
• Search for patterns, trends, structure, irregularities, relationships among data
• Help find interesting regions and suitable parameters for further quantitative analysis
• Provide a visual proof of computer representations derived
• Categorization of visualization methods:
• Pixel-oriented visualization techniques
• Geometric projection visualization techniques
• Icon-based visualization techniques
• Hierarchical visualization techniques
• Visualizing complex data and relations