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R Tutorial - Purdue University Preface manipulations, to R It of the present document is to give a starting to your questions, there are also many R operations R for people resources If you are installations, who are new list some of them below We
R Cheat Sheet - GitHub Pages print(a, ) prints its arguments; can have different methods for different objects, including customizing output head(x), tail(x) return the first or last elements in x; use head(x,n) to get the first n elements str(a) display the internal structure of an R object levels(x) returns the levels of factor x; to rename the levels use levels(x
Learning Statistics with R Overview Learning Statistics with R covers the contents of an introductory statistics class, as typically taught to undergraduate psychology students, focusing on the use of the R statistical software The book discusses how to get started in R as well as giving an introduction to data manipulation and writing scripts From
R: A Language and Environment for Statistical Computing - MIT Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the R Core Team R is free software and comes with ABSOLUTELY NO WARRANTY
PowerPoint Presentation RStudio screen (w R Script) Here you can type R commands and run them Just leave the cursor anywhere on the line where the command is and press Ctrl-R or click on the ‘Run’ icon above Output will appear in the console below The console is where you can type commands and see output
Introduction to R - College of Liberal Arts If Else Statements in R IF ELSE statements implement one collection of code if a particular condition is met, and implement a di erent collection of code otherwise Basic structure of IF ELSE statements: if(condition) { # some R code } else { # more R code } Nathaniel E Helwig (Minnesota)