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GradQuant Sponsored Introduction to R Workshop Heather Hulton VanTassel 1/16/2014
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What is R? R is an integrated suite of software facilities for data manipulation, calculation and graphical display. http://www.r-project.org/
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Download R Studio Download R here – http://www.rstudio.com/ide/download/ http://www.rstudio.com/ide/download/ Helpful Manuals for R: – R intro manual http://cran.r-project.org/doc/manuals/R-intro.pdf – “R Cookbook” by Paul Teetor
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Workshop Outline I.Familiarizing oneself with the R studio interface II.Basics on using R III.Getting help on functions – learn how to help yourself! IV.Basic functions/commands V.Brief intro on data management and analysis
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Familiarizing with the R Studio Interface Switch to R studio!
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The Basics - Useful tips on entering commands R is case sensitive! Commands are separated either by a semi-colon (‘;’), or by a new line Comments can be put in text, starting with a hashmark (‘#’) If a command is not complete at the end of a line, R will give a different prompt, by default (‘+’)
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The Basics Switch to R studio!
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Let’s get some help ?!?! Use help(functionname) to get help – ?functionname also works Use args(functionname) for a quick reminder of the function arguments Use example (functionname) to see examples Use ??keyword for help searching – help.search(“keyword”)
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Let’s get some help ?!?! Switch to R studio!
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The Most Common Commands The basics of coding! Switch to R studio!
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Intro to Data Management/Analysis R comes with many built in data sets! – We will explore how we can play around with some of them! Let’s first learn how to import a data set Let’s Switch to R studio!
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Questions? Let’s take some time to reflect and review what we have learned!
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What would you want covered in Advanced Topics? Let’s take some time to make sure we are on the same page!
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