Episode 46: R

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News

• Hack: A typeface designed for source code
• http://sourcefoundry.org/hack/
• Kalman Filter, in Pictures
• http://www.bzarg.com/p/how-a-kalman-filter-works-in-pictures/
• An honest guide to the San Francisco startup life
• https://medium.com/@padlet/an-honest-guide-to-the-san-francisco-startup-life-6df13d23689
• Underhanded C Contest
• http://www.underhanded-c.org/_page_id_5.html
• Things to commit just before leaving your job
• https://gist.github.com/aras-p/6224951

Book of the Show

• Jason: The hard thing about hard things
• http://amzn.to/1UqMjDD
• Patrick: Steel World
• http://amzn.to/1JMcsa5

Tool of the Show

• Jason: Electron https://github.com/atom/electron
• Patrick: Does Not Commute (iOS / Android)

R

• Suggested language: Thanks John Williams!
• Alfredo Gallegos asks: What is Data Science?
• Adding structure to data 
• Enriching data
• Building models to estimate/classify/cluster/embed data
• Data science competition / tutorials
• https://www.kaggle.com/ 
• Features
• Open Source
• Data Frames
• Lots of packages
• Rmr (map reduce in R)
• Cons
• Fragmented community
• Many packages/frontends lack support
• History
• Based on S from Bell Labs
• Developed by Ross Ihaka and Robert Gentleman at the University of Auckland
• Popular Packages
• ggplot2
• R -> gnuplot
• htmlwidgets
• web visualizations
• R Markdown
• markdown support
• zoo
• Time series
• RODBC / RMySQL / RPostgresSQL / RSQLite
• SQL support
• GUIs
• RStudio
• Rattle
• Learning R
• http://tryr.codeschool.com/