R Crash Course

What is R?

• An object-oriented programming language focused on manipulating and analyzing data
  -  everything in R is an object: e.g. datasets, functions, models, etc.
   
• An open-source language
  -  anyone can contribute to the R project, and develop and distribute code to run in R
   
• One of the most popular languages used by statisticians and data sicentists

R Markdown and Notebook

R Markdown

• R Markdown provides an authoring framework for data science.
   

• You can use a single R Markdown file to both

  save and execute code, and generate high quality reports that can be shared with an audience.

R Notebook

• An R Notebook is an R Markdown document with chunks that can be executed independently and interactively, with output visible immediately beneath the input.

Create a Notebook

• File->New File-> R Notebook
   
• By default, RStudio enables inline output (Notebook mode) on all R Markdown documents, so you can interact with any R Markdown document as though it were a notebook.