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Introduction
Welcome to “Mastering Vectors in R: A Foundation for Efficient Data Manipulation.” In the realm of R programming, vectors serve as the bedrock upon which data manipulation and analysis are built. Understanding and harnessing the power of vectors is crucial for anyone venturing into the world of R.
In this comprehensive session, we will embark on a journey through the intricacies of vectors, the cornerstone data structure in R programming. By the end of our exploration, you’ll possess a firm grasp of how vectors work, their diverse types, operations that can be performed on them, and their pivotal role in data analysis and programming logic.
Lecture Objectives:
- Understanding Vectors: Define what vectors are in R and their significance in programming.
- Types of Vectors: Explore different types of vectors (numeric, character, logical) and their usage.
- Vector Operations: Learn basic operations like indexing, subsetting, and arithmetic on vectors.
- Vector Functions: Introduce key functions for manipulating and working with vectors in R.
- Applications: Discuss real-world applications and scenarios where vectors are utilized in data analysis and programming.
So let’s Get started!
The Definition of a Vector:
Vectors are fundamental data structures in R used to store elements of the same data type in an ordered sequence.
Significance:
Understanding the role of vectors in R is crucial. They offer efficiency in handling data and performing operations seamlessly.
Suppose we have the such data
| ID | Age | Gender | Salary |
|---|---|---|---|
| 1 | 20 | Male | $12,000 |
| 2 | 25 | Female | $20,000 |
| 3 | 35 | Female | $30,000 |
| 4 | 40 | Male | $2,000 |
| 5 | 42 | Female | $10,000 |
Now we will store each variable’s data separately; this is how we can create a vector.
# Creating a ID vector
ID <- seq(1, 5)
print(ID)