## How to Create an Empty data frame in R [6 Ways]

Here are six ways to create an empty data frame in R: Specify the column names and set the number of rows to 0. Emptying data frame using different column types Emptying an existing data frame Emptying data frame without column types Using structure() Using a matrix with column names Method 1: Specify the column … Read more

## R If else Statement (With Examples)

if statement The if statement checks a condition and executes a block of code if the condition is TRUE.  But if it’s FALSE, then nothing will happen. If the condition can be a logical or numeric vector, only the first item is considered. In the case of a numeric vector, zero is taken as FALSE; … Read more

## R Data Types: Vector, List, Matrix, Array, and Data frame

Here are common data types in R: numeric: Decimal numbers like 10.5, 55, 787. integer: Whole numbers like 1L, 55L, and 100L (the letter “L” declares this as an integer). character: Strings of text like “hello”, “R”, and “data”. logical: Boolean values like TRUE or FALSE. factor: Categorical variables like “red”, “green”, and “blue”. vector: … Read more

## Pi in R Tutorial with Example

Pi is a built-in R constant whose value is 3.141593. It is a constant 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, use the exp() function. exp(pi) Output … Read more

## R Array: How to Create, Access, and Modify Array Elements

An array in R is a list or vector with two or more dimensions. An array is like a stacked matrix, and a matrix is a two-dimensional array. The arrays are objects that can store data in more than two dimensions. Creating an array To create an array, you can use the array() function. Syntax array(data, dim … Read more