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R Programming Introduction

R Download Link- https://cran.r-project.org/bin/windows/base/old/3.4.0/ R Studio Download link- https://www.rstudio.com/products/rstudio/download/  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 as well as modular programming using functions. R allows integration with the procedures written in the C, C++, .Net, Python or FORTRAN languages for efficiency. R is freely available under the GNU General Public License, and pre-compiled binary versions are provided for various operating systems like Linux, Windows and Mac. R is free software distributed under a GNU-style copy left, and an official part of the GNU project called  GNU S . Evolution of R R was initially writ...
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Unix/Linux Operating System Introduction

  Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie.  The main concept that unites all the versions of Unix is the following four basics − ·         Kernel  − The kernel is the heart of the operating system. It interacts with the hardware and most of the tasks like memory management, task scheduling and file management. ·         Shell  − The shell is the utility that processes your requests. When you type in a command at your terminal, the shell interprets the command and calls the program that you want. The shell uses standard syntax for all commands. C Shell, Bourne Shell and Korn Shell are the most famous shells which are available with most of the Unix variants. ·         Commands and Ut...
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Digital Computer Fundamentels-unit-2 notes

Digital Computer Fundamentals
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how to create graph in webpage

  Areachart <!DOCTYPE HTML> <html> <head>   <script type="text/javascript">   window.onload = function () {     var chart = new CanvasJS.Chart("chartContainer",     {       title: {         text: "Monthly Downloads",         fontSize: 25       },       axisX:{         valueFormatString: "MMM" ,         interval: 1,         intervalType: "month"         },       axisY: {         title: "Downloads"       },         data: [       {     ...
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How to draw the different shapes(Bezier,Quadratic) in html canvas

  HTML5 Canvas - Drawing Bezier Curves   We need the following methods to draw Bezier curves on the canvas   S.No. Method and Description 1 beginPath() This method resets the current path. 2 moveTo(x, y) This method creates a new subpath with the given point. 3 closePath() This method marks the current subpath as closed, and starts a new subpath with a point the same as the start and end of the newly closed subpath. 4 fill() This method fills the subpaths with the current fill style. 5 stroke() This method strokes the subpaths with the current stroke style. 6 bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y) This method adds the given point to the current path, connected to the previous one by a cubic Bezier curve with the given control points. The x and y parameters in bezierCu...
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