PHP and MySQL are usually associated with LAMP (Linux, Apache, MySQL, PHP). However, most PHP developer ( including me ) are actually using Windows when developing the PHP application. So this page will only cover the WAMP ( Windows, Apache, MySQL, PHP ). You will learn how to install Apache,Continue Reading
What is PHP? PHP is a server side scripting language. that is used to develop Static websites or Dynamic websites or Web applications. PHP stands for Hypertext Pre-processor, that earlier stood for Personal Home Pages. PHP scripts can only be interpreted on a server that has PHP installed. The clientContinue Reading
PHP is also known as Hypertext Pre-processor. PHP is an open source and server-side scripting language, which is mainly used for developing web applications. The syntax of PHP language is similar to the C language. PHP was originally created by Rasmus Lerdorf and it first appeared in 1995. PHP is being widelyContinue Reading
Line Graph represents relation between two variables. Plot a line graph in R We shall learn to plot a line graph in R programming language with the help of plot() function. Syntax of plot() function plot(x, y, …) where x is any R object with a plot method. Ex : numeric vector y isContinue Reading
Pie Chart is a pictorial representation of proportions in a whole as sectors in a circle. Draw Pie Chart in R programming language R programming language provides two functions – pie() and pie3d() to draw pie charts. Syntax of R pie function pie(x, labels = NULL, edges = 200, radiusContinue Reading
What is R Data Visualization? Using the diverse functionalities provided by R, one can create visually appealing data visualizations with only a few lines of code. Data visualization is an efficient technique of gaining insights about data through a visual medium. With the help of visualization techniques, humans can easilyContinue Reading
What is Object-Oriented Programming? Object-oriented programming is a programming technique that manages the complexity of a program more efficiently. It uses techniques like abstraction, encapsulation, and polymorphism. It enacts an environment where the tasks are distributed among the different parts of the program or ‘objects’. These objects hide their internal working from other objects and onlyContinue Reading
The xlsx is a file extension of a spreadsheet file format which was created by Microsoft to work with Microsoft Excel. In the present era, Microsoft Excel is a widely used spreadsheet program that sores data in the .xls or .xlsx format. R allows us to read data directly fromContinue Reading
R CSV Files We shall learn R functions to : R Read CSV Files R Process CSV Files R Write CSV Files Example of a CSV File, that we use in the examples going forward, is given below :sampleCSV.csv sampleCSV.csv Andrew,28,25.2 Mathew,23,10.5 Dany,49,11 Philip,29,21.9 John,38,44 Bing,23,11.5 Monica,29,45 You may refer RContinue Reading
R data reshaping is all about changing the way in which data is organized into rows and columns. Most of the time data processing in R is done by taking the input data as a data frame. Also, extracting data from the rows and columns of a data frame isContinue Reading
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