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Basics of R Programming: Part 1

This class will teach participants how to interact with R through the console. Interacting with R through the console is the prerequisite to start using higher functions provided within packages. Student in this first session will be introduced to basic R commands and help functions. We will review different data structures and how to manipulate them. Finally, we’ll learn how to write small instruction sets in R and build functions.

Course Outline:

  • Discovery the R console and RStudio interface
  • Basic operation in R
    • Imputing data
    • Removing data
    • The help function
  • Data structures and data manipulation
    • Vectors
    • Matrices
    • Data frames
    • Lists
    • Problems
      • Using indexes to select data subset
      • Displaying your data
  • Import and export
    • Importing / exporting text file (.txt, .csv...)
    • Importing Excel (.xls, .xlsx)
    • Importing from SAS, SPSS, STATA, Systat...
    • Problems
    • How to save a R object
    • Editing an object with reshape
  • Basic of programming concept with R
    • Loops
    • Conditional executions
    • Problems
      • The Fibonacci list
      • Example of an R function

The lecture is based on the following books and websites:

About the Instructor:

David Ruau; Postdoctoral Research fellow, Pediatrics - Please if you have questions about course content, etc.

Prequisites:

Students must have completed the instructions installing R on a Windows Machine or a Mac before taking this class.