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R Introduction: Part I
course content

Course Content

R Introduction: Part I

R Introduction: Part I

1. Basic Syntax and Operations
Why R?Basic ArithmeticUsing the print() Function Comments in RInteger Division and RemaindersExponentiationcat() FunctionVariablesRevenue CalculationAssignment Operators
2. Basic Data Types and Vectors
Data TypesNumbersType ConversionLogical TypesVectorsLabeling VectorsIndexing in VectorsModifying VectorsDeleting Elements from VectorsArithmetic Operations with Vectors
3. Factors
What is a Factor?Indexing in FactorsLevelsCounting ValuesGrouping Numeric DataGrades Summary

Data Types

Understanding data types is fundamental in R programming as they dictate how data is stored, interpreted, and manipulated, so let's explore the various data types in R and their characteristics.

Each data type serves specific purposes and ensures that the data is handled appropriately according to its nature.

Here are the most common data types in R:

To determine the data type of a given variable, you would use the typeof() function, providing the respective variable name as its argument. For example:


              
12

            
test = TRUE
typeof(test)
copy

Take the initiative to practice this function on your own!

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 1
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Data Types

Understanding data types is fundamental in R programming as they dictate how data is stored, interpreted, and manipulated, so let's explore the various data types in R and their characteristics.

Each data type serves specific purposes and ensures that the data is handled appropriately according to its nature.

Here are the most common data types in R:

To determine the data type of a given variable, you would use the typeof() function, providing the respective variable name as its argument. For example:


              
12

            
test = TRUE
typeof(test)
copy

Take the initiative to practice this function on your own!

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Section 2. Chapter 1
toggle bottom row

Data Types

Understanding data types is fundamental in R programming as they dictate how data is stored, interpreted, and manipulated, so let's explore the various data types in R and their characteristics.

Each data type serves specific purposes and ensures that the data is handled appropriately according to its nature.

Here are the most common data types in R:

To determine the data type of a given variable, you would use the typeof() function, providing the respective variable name as its argument. For example:


              
12

            
test = TRUE
typeof(test)
copy

Take the initiative to practice this function on your own!

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Switch to desktop for real-world practiceContinue from where you are using one of the options below

Everything was clear?

Understanding data types is fundamental in R programming as they dictate how data is stored, interpreted, and manipulated, so let's explore the various data types in R and their characteristics.

Each data type serves specific purposes and ensures that the data is handled appropriately according to its nature.

Here are the most common data types in R:

To determine the data type of a given variable, you would use the typeof() function, providing the respective variable name as its argument. For example:


              
12

            
test = TRUE
typeof(test)
copy

Take the initiative to practice this function on your own!

Task

  1. Assign the number 10 to a variable named chapter.
  2. Display the data type of the chapter variable.

Switch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 1
Switch to desktop for real-world practiceContinue from where you are using one of the options below
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