1. -
Tal.Galili@gmail.com
BioStatistics.co.il
R-Statistics.com

2. http://ggobi.org/
(http://en.wikipedia.org/wiki/Gobi_Desert : )

3. Interactive smoothing
Cycling
Scaling (window)

4. Brushing the same points
Linked graphs
Identifying the same (outlier) point

5. Multiple Linked graphs

6. Brushing for conditional distribution
(Narrow/ growing /big window)

7. Linked SPLOM

8. 3D manual rotation and animation

9. 4D Grand tour
(Projection pursuit, linking, persistent brushing )

10. Identifying a point in the table
(and removal)

11. Identifying a point in the table
(and removal)

12. Zoom in

13. •
: •
- (scaling) •
(zooming) •
(cycling) •
– (rotating) •
. – (Grand tour) •
•
(linking) •
: •
– (labeling) •
– (locating) •
– (brushing) - •
(Persistent) ,(Transient) : •
(glyph - / / . / / ) , : •
- (toggle) •
(' , , ) – •
•
(deleting) •
(insert) •
(moving) •
(jitter) •
– (Smoothing) •
– (Transformation) •
•
– •
– (animation) •

14. • •
• •
,( )
( )

15. Open source options
http://ggobi.org/ http://rosuda.org/mondrian/

16. Feature GGobi Mondrian
Basic elements Yes Yes
Latest version 2008 2011
Updates
Still maintained? No Yes
Basics (scatter plots) Yes Yes
3D plots / Grand
tour / projection Yes No
persuits
Barplots
Plots Plots for Categorical
Only barplots Mosaic
variables
Parallel barplots
Parallel coordinates BUGGY Great
Maps No Yes
Networks Yes No
CSV, XML
Files CSV, Rdata, databases
Connections R (rggobi – doesn’t
Software R (through iPlots)
work for R 2.12)
Speed So so Better
Performance Larger datasets No Yes

17. .
Tal.Galili@gmail.com
BioStatistics.co.il
R-Statistics.com