R Introduction R is a powerful programming language for statistical computing and data analysis. It was developed in the early 1990s by Ross Ihaka and Robert Gentleman, and released in 2000. R is still maintained by the R Core Team. Who uses R? Here’s a list of some top-tier companies that you know that use …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – Loops There may be a situation when you need to execute a block of code several number of times. In general, statements are executed sequentially. The first statement in a function is executed first, followed by the second, and so on. Programming …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – Decision making Decision making structures require the programmer to specify one or more conditions to be evaluated or tested by the program, along with a statement or statements to be executed if the condition is determined to be true, and optionally, other statements to be …
(R Tutorials for Citizen Data Scientist) 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 Relational Operators Logical …
(R Tutorials for Citizen Data Scientist) 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 …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – Data Types 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 …
(R Tutorials for Citizen Data Scientist) 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 …
(R Tutorials for Business Analyst) In this end-to-end example, you will know how to use ANOVA in R with examples. R ANOVA Tutorial: One way & Two way with Examples What is ANOVA? Analysis of Variance (ANOVA) is a statistical technique, commonly used to studying differences between two or more group means. ANOVA test is centred …
(R Tutorials for Business Analyst) In this end-to-end example, you will know how to use T test in R with examples. T Test in R: One Sample and Paired with Example What is Statistical Inference? Stastitical inference is the art of generating conclusions about the distribution of the data. A data scientist is often exposed …
(R Tutorials for Business Analyst) In this end-to-end example, you will know how to use R graphics for Bar chart and Histogram plot with examples. Bar Chart & Histogram in R with Example A bar chart is a great way to display categorical variables in the x-axis. This type of graph denotes two aspects in …