Lesson04
IS428 Visual Analytics for Business Intelligence
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Visualising and Analysing High-dimensional Data
Lesson 4 slides and Web slides
Content
Nature of High-dimensional Datasets
- Categorical data
- Continuous data
- Hybrid data
Continuous Data Visualisation Techniques
- Scatterplot matrix
- Parallel coordinate plot
- Heatmaps
Categorical Data Visualisation Techniques
- Mosaic plots
- Parallel Sets [1]
Hybrid Data Visualisation Techniques
- Trellis or small mutiples
- Glyphs or star plot
Specialised High-dimesional Data Visualisation Toolkits
Hands-on Session
- Visualising and analysing multivaritae continuous data using parallel coordinate plot
- Visualising and analysing multivariate continuous data using trellis
- Visualising and analysing multivaritae categorical data using mosaic plot
- Visualising and analysing multivariate categorical data using parallel sets
Daily Readings
| Day | Time required | Readings |
| 1 | 60 mins |
An Introduction to Visual Multivariate Analysis [5] (Must read!) The scatter-plot matrix: a great tool [6] Wikipedia: Heatmap [7] Better Know a Visualization: Small Multiples [8] (Must read!) Trellis display in WIREs Computational Statistics, Volume 2, September/October 2010. (SMU e-journal) |
| 2 | 60 mins |
Ternary plot@wiki [9] Ternary plot [10] Reading a Ternary Diagram [11] |
| 3 | 60 mins |
Multidimensional Detective [12] (Must read!) Multivariate Analysis Using Parallel Coordinates [13] Parallel Coordinates [14] Better Know a Visualization: Parallel Coordinates [15]|| |
| 4 | 60 mins |
Understanding Area Based Plots: Mosaic Plots [16] (Must read!) Are Mosaic Plots Worthwhile? [17] TableLens: A Clear Window for Viewing Multivariate Data [18] |
| 5 | 60 mins |
Parallel Sets. [19] (Must read!) Visualizing Defect Percentages with Parallel Sets[20] Parallel Sets vs. Mosaic Plots (Take I)[21] Discovery Exhibition: Parallel Sets [22] |
Courseware
GeoViz Toolkit from GeoVista Studio
