Lesson04
ISSS608 Visual Analytics and Applications
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Visualising and Analysing Multivariate 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
- Ternary Chart
- Star plot
- 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
Table-based Visualisation Techniques
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 |
| Monday | 60 mins |
An Introduction to Visual Multivariate Analysis [4] (Must read!) The scatter-plot matrix: a great tool [5] Wikipedia: Heatmap [6] Better Know a Visualization: Small Multiples [7] (Must read!) Trellis display in WIREs Computational Statistics, Volume 2, September/October 2010. (SMU e-journal) |
| Tuesday | 60 mins |
Multidimensional Detective [8] (Must read!) Multivariate Analysis Using Parallel Coordinates [9] Parallel Coordinates [10] Better Know a Visualization: Parallel Coordinates [11]|| |
| Wednesday | 60 mins |
Understanding Area Based Plots: Mosaic Plots [12] (Must read!) Are Mosaic Plots Worthwhile? [13] TableLens: A Clear Window for Viewing Multivariate Data [14] |
| Thursday | 60 mins |
Parallel Sets. [15] (Must read!) Visualizing Defect Percentages with Parallel Sets[16] Parallel Sets vs. Mosaic Plots (Take I)[17] Discovery Exhibition: Parallel Sets [18] |
Courseware
GeoViz Toolkit from GeoVista Studio
