Data Tools: R and RStudio Jenna Daly March 24, 2017 2017 CTData Days: Equip, Synthesize, and Mobilize with data

intRoduction R is both a language and an environment R is the programming language that can be used for many different statistical and graphical functions RStudio is the integrated development environment (IDE) for R, where one can visually manage their workspace CRAN - The Comprehensive R Archive Network Network of web servers that store the most up-to-date versions of code and documentation for R souRces: https://www.r-project.org/about.html http://www.gnu.org/ http://www.statmethods.net/about/learningcurve.html http://analyticstrainings.com/?p=101

wheRe to download R is available as free software, making it open-source, so everyone can use it! Where to download both R and RStudio: Download R here: https://cran.r-project.org/ Download RStudio here: https://www.rstudio.com/products/rstudio/download/ souRces: https://www.r-project.org/about.html http://www.gnu.org/ http://www.statmethods.net/about/learningcurve.html http://analyticstrainings.com/?p=101

leaRn moRe R is one of the most comprehensive statistical analyses tools available Steep learning curve Functionality comes from thousands of user-contributed packages Iterative learning Learn more: https://www.rstudio.com/resources/training/ https://www.datacamp.com/courses/free-introduction-to-r http://swirlstats.com/ http://www.statmethods.net/ souRces: https://www.r-project.org/about.html http://www.gnu.org/ http://www.statmethods.net/about/learningcurve.html http://analyticstrainings.com/?p=101 https://blogs.umass.edu/gwis/2015/05/21/crash-course-in-r-programming/

R demo Data source: www.irs.gov Data sets: SOI Tax Stats – Individual Income Tax Statistics (2011-2014) What we’ll learn: That the data we download aren’t always as pretty as we want We sometimes have to manipulate data before we can process What insights can we gather from the given data? What variables can be calculated based on the given data?