How to Create an Empty Vector in R

How to Create an Empty Vector in R

Here are six methods to create an empty Vector in R: Using vector() function Use c() function Using numeric() function Using character() function Using rep() function Assigning NULL to an existing vector Method 1: Using vector() The easiest way to create an empty vector is to use the plain vector() function without arguments. rv <- … Read more

How to Create an Empty List in R

How to Create an Empty List in R

You may be wondering, Why should I create an empty list? Well, sometimes, you need to start with nothing—an empty canvas—and then fill it with amazing colors. The same logic applies to an empty list. Start with an empty list and fill the list with proper elements. Here are three ways to create an empty … Read more

How to Check Data type in R

How to Check Data type in R

Here are five ways to check data type in R: Using class(): For checking a single variable. Using str(): For checking the data type of every variable in a data frame. Using typeof(): For checking more basic data type of the object. Using is.* Functions: For checking specific data types. Using mode() (not recommended): For checking … Read more

Pi in R: Built-in Constants

Pi in R Tutorial

Pi is a built-in R constant whose value is 3.141593. Pi is the ratio of the circumference of a circle to its diameter. Syntax pi Visual representation Example 1: Basic usage print(pi) Output [1] 3.141593 Example 2: Exponential value of pi To calculate the exponential value of pi, use the exp() function. exp(pi) Output [1] … Read more