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Budapesti Műszaki és Gazdaságtudományi Egyetem Méréstechnika és Információs Rendszerek Tanszék
Lessons learned at
Ágnes Salánki
Budapest University of Technology and Economics
Budapest Users of R Network Meetup
13 July 2015
Lessons learned
Professional aspect: interactive visualization
• Interesting packages: loon, vdmR
• Experiences from the keynote and the tutorial
Educational aspect
• Teaching sessions
• Lightning talks
Personal aspect
• Experiences from the poster session
• Networking
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Interactive visualization
Dianne Cook’s keynote
o „eighty-seven steps forward for data analysis but twelve steps backwards for interactive graphics”
o Focus on reproducible research
3
Interactive visualization
Dianne Cook’s keynote
o „eighty-seven steps forward for data analysis but twelve steps backwards for interactive graphics”
o Focus on reproducible research
3
Interactive visualization
Tessera tutorial
o Divide&combine approach for computaitons on distributed data frames (ddfs)
o Visualization based on Trelliscope
Packages
o vdmR
• Linked highlighting on basic ggplot2 plots
o Loon
• ~Mondrian, iplots package, etc.
• ca. 10.000 data points
• Extremely good programmability
• Subscription as Beta tester: http://navgraph.com/loon/ 4
Education aspect
Colin Rundel: Teaching R using the Github ecosystem
o Reproducible research: knitr, make
o Feedback, grading, coding, etc. on Github
Mine Cetinkaya-Rundel: Using R, RStudio, and Docker for introductory statistics teaching
o How to learn R: GUI first, slowly remove handholding
Michael Höhle: Zombie preparedness
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Personal aspect
Poster session
9
Personal aspect
Poster session
9
Professor: Have you used flag X by plotting? Me: Nope, I have used the default setup. Professor: Well, you should have. Me: ??? Professor: Actually, I am the author of that package and I can see from this far that your plot is wrong. Me: (Auch.) Professor Mächler, it is a pleasure to meet you.
Personal aspect
Poster session
Still open question: visualization of large density differences?
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Professor: Have you used flag X by plotting? Me: Nope, I have used the default setup. Professor: Well, you should have. Me: ??? Professor: Actually, I am the author of that package and I can see from this far that your plot is wrong. Me: (Auch.) Professor Mächler, it is a pleasure to meet you.
Networking
10
General impressions
Extremely mixed
o Keynote speakers
• Data management
• Visualization
• Bioinformatics
• Geospatial analytics
• Business-related applications
• Hard-core statistics
Lots of friendly people
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