R Programming – EasyExamNotes.com

Load a package in RGui: Set CRAN mirror: The CRAN stand for Comprehensive R Archive Network. Select repositories: Install packages: Update packages: Install packages from local files;

Packages and Libraries in R

base Base Package class Functions for Classification compiler compiler Package datasets Datasets Package graphics Graphics Package grDevices Graphics Devices and Support for Colours and Fonts grid The Grid Graphics Package Matrix Sparse and Dense Matrix Classes and Methods methods Formal Methods and Classes parallel Support for Parallel computation stats Stats Package tools Tools for Package […]

R Commands and Syntax

Syntax for variable: VariableName <- DataStoredInVariable ——————————————– Syntax While loop: while (test_expression) { statement } ——————————————– Syntax For loop: for (value in vector) { statements } ——————————————– Syntax for Repeat loop: repeat { commands if(condition) { break } } ——————————————– Syntax for Break statement: break ——————————————– Syntax […]

R Window to edit and execute R commands

Type code in RGui console: Create script: Type the code in script editor : Save the script code : Load script code to run/execute : It will ask to select the file to load : Output looks like this ;

R Console

This is RGui on Windows, the most basic working environment for R under Windows: After the > sign, expressions can be typed in. Once an expression is typed, the result is shown by R, on console screen shown above. For example: Type following code on console, a <- 10 print(a)

Installing R in Windows

We will learn step by step of R installation in Windows; Step 01: Go to this website https://cran.r-project.org/bin/windows/base/ Step 02: Start installation of download software. Step 03: Step 04: Select the operational language for installation. Step 05: Step 06: Select the folder where you wants to install R. step 07: Step 08: Step 09: Step 10: […]

Introduction to R