30 R Programming Basic Exercises for Beginners with Solutions

Master beginner R Programming skills with our comprehensive list of top 30 exercises. Dive into coding challenges that improve your understanding and proficiency in R Programming, setting a solid foundation for intermediate challenges. Start your journey to R Programming mastery today!

Learning Objectives:

Understand the basics of R syntax, data types, vectors, and control structures. Develop foundational skills for data manipulation, plotting, and simple statistical analysis.

Exercise Instructions:

Start with the first exercise and attempt to solve it before checking the hint or solution.
Ensure you understand the logic behind each solution, as this will help you in more complex problems.
Use these exercises to reinforce your learning and identify areas that may require further study.

1. Write an R program to print "Hello, World!".

Required Input:

None

Expected Output:

Hello, World!

Code In R

# Predefined structure print("Hello, World!")

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2. Create a variable x with the value 10 and print it.

Required Input:

None

Expected Output:

Code In R

# Predefined structure x <- 10 print(x)

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3. Write an R program to find the sum of two numbers.

Required Input:

Number 1: 5
Number 2: 15

Expected Output:

Sum: 20

Code In R

# Predefined structure num1 <- 5 num2 <- 15 sum <- num1 + num2 print(paste("Sum:", sum))

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4. Create a sequence of numbers from 1 to 10 using a built-in function.

Required Input:

None

Expected Output:

1 2 3 4 5 6 7 8 9 10

Code In R

# Predefined structure sequence <- seq(1, 10) print(sequence)

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5. Write an R program to check if a number is even or odd.

Required Input:

Number: 7

Expected Output:

7 is odd

Code In R

# Predefined structure num <- 7 if (num %% 2 == 0) { print(paste(num, "is even")) } else { print(paste(num, "is odd"))}

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6. Create a vector containing the numbers 1, 2, 3, 4, 5 and print it.

Required Input:

None

Expected Output:

[1] 1 2 3 4 5

Code In R

# Predefined structure vector <- c(1, 2, 3, 4, 5) print(vector)

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7. Write an R program to calculate the square of each number in a vector.

Required Input:

Vector: [1, 2, 3, 4, 5]

Expected Output:

[1]  1  4  9 16 25

Code In R

# Predefined structure vector <- c(1, 2, 3, 4, 5) squared <- vector^2 print(squared)

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8. Create a matrix with 2 rows and 3 columns and fill it with numbers from 1 to 6.

Required Input:

None

Expected Output:

     [,1] [,2] [,3]
[1,]    1    3    5
[2,]    2    4    6

Code In R

# Predefined structure matrix <- matrix(1:6, nrow = 2, byrow = FALSE) print(matrix)

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9. Write an R program to find the mean of a given vector.

Required Input:

Vector: [10, 20, 30, 40, 50]

Expected Output:

Mean: 30

Code In R

# Predefined structure vector <- c(10, 20, 30, 40, 50) mean_value <- mean(vector) print(paste("Mean:", mean_value))

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10. Write an R program to calculate the sum of all elements in a vector.

Required Input:

Vector: [5, 10, 15, 20, 25]

Expected Output:

Sum: 75

Code In R

# Predefined structure vector <- c(5, 10, 15, 20, 25) sum_value <- sum(vector) print(paste("Sum:", sum_value))

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