My Blog

Category: 1. Tutorial

  • Operators

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    by

    Awais
    in

    An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations. R language is rich in built-in operators and provides following types of operators. Types of Operators We have the following types of operators in R programming − Arithmetic Operators Following table shows the arithmetic operators supported by R language.…

  • Variables

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    by

    Awais
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    A variable provides us with named storage that our programs can manipulate. A variable in R can store an atomic vector, group of atomic vectors or a combination of many Robjects. A valid variable name consists of letters, numbers and the dot or underline characters. The variable name starts with a letter or the dot…

  • Data Types

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    by

    Awais
    in

    Generally, while doing programming in any programming language, you need to use various variables to store various information. Variables are nothing but reserved memory locations to store values. This means that, when you create a variable you reserve some space in memory. You may like to store information of various data types like character, wide…

  • Basic Syntax

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    by

    Awais
    in

    As a convention, we will start learning R programming by writing a “Hello, World!” program. Depending on the needs, you can program either at R command prompt or you can use an R script file to write your program. Let’s check both one by one. R Command Prompt Once you have R environment setup, then…

  • Environment Setup

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    by

    Awais
    in

    Local Environment Setup If you are still willing to set up your environment for R, you can follow the steps given below. Windows Installation You can download the Windows installer version of R from R-3.2.2 for Windows (32/64 bit) and save it in a local directory. As it is a Windows installer (.exe) with a name “R-version-win.exe”.…

  • Overview

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    by

    Awais
    in

    R is a programming language and software environment for statistical analysis, graphics representation and reporting. R was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand, and is currently developed by the R Development Core Team. The core of R is an interpreted computer language which allows branching and looping…