(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – Repeat Loop The Repeat loop executes the same code again and again until a stop condition is met. Syntax The basic syntax for creating a repeat loop in R is − repeat { commands if(condition) { break } } Flow Diagram Example v <- c(“Hello”,”loop”) cnt …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – Switch Statement A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each case. Syntax The basic syntax for creating a switch statement in R …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – If…Else Statement An if statement can be followed by an optional else statement which executes when the boolean expression is false. Syntax The basic syntax for creating an if…else statement in R is − if(boolean_expression) { // statement(s) will execute if the boolean expression is true. } else { // …
(R Tutorials for Citizen Data Scientist) Beginners tutorial with R – If Statement An if statement consists of a Boolean expression followed by one or more statements. Syntax The basic syntax for creating an if statement in R is − if(boolean_expression) { // statement(s) will execute if the boolean expression is true. } If the Boolean expression evaluates to …
(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 …