The slides summarizing the main features of the R' streamgraph package, presented on a lightning talk session of the Budapest Users of R Network

1. Budapest University of Technology and Economics
Department of Measurement and Information Systems
Budapest University of Technology and Economics
Fault Tolerant Systems Research Group
Streamgraph package
Budapest Users of R Network Meetup
Ágnes Salánki
salanki.agnes@gmail.com

2. HBO Series
2014 2015
US viewers in
Million

3. HBO Series
2014 2015
True
Detective
Girls
Silicon Valley
Game of
Thrones
Veep
The Leftovers
Getting On
The Comeback
Togetherness
Ballers
The Brink

4. History
 Lee Byron, 2008, NY Times,
 "Stacked Graphs – Geometry & Aesthetics"

5. Antipattern: baby names

6. Antipattern: baby names
 Line charts instead?

7. Streamgraph R package
 htmlwidget for creating streamgraphs
 3 parameters
o date (also continuous)
o category
o value
• ~Stat = „identity” in geom_bar
ggplot(df) + geom_bar(aes(x =
group), stat = "bin")
ggplot(df) + geom_bar(aes(x =
group, y = value), stat = "identity")
variable value
A 1
A 20
B 3

8. useR! attendees

9. useR! attendees
Aalborg,
Denmark
Albacete,
Spain
Coventry,
UK
Rennes,
France
Dortmund,
Germany

10. useR! attendees
 Legends 
o Only interactively
 Colors 
o Manual set is unstable
 Initiatives for statistical
plotting 
o sg_annotate
o sg_add_marker

11. Client-Server
Communication
Protocol monitoring
Client Server
X1
X2
X3
Benchmarking
Client Server
X1
X2
X3
Client2
X1
X2
X3

12. Protocol monitoring: the good

13. Protocol monitoring: the bad

14. Protocol monitoring: the ugly

15. Conclusion
 Excellent exploratory tool
 Simple time series analysis