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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

bookcat() Function

Enhancing the output with descriptive text can greatly improve the readability and user-friendliness of the results. In R, the cat() function serves this exact purpose.

With cat(), you can combine text, expressions, and variables to construct a meaningful output. Each element you want to include in the output should be separated by a comma, and strings of text must be enclosed in quotes (either double "" or single ''). By default, cat() separates each argument with a space.

Let's take a look at an example:


              
12

            
cat("The result of integer division is", 10 %/% 3)
cat("The remainder of the division is", 10 %% 3)
copy

This approach clearly enhances the output, providing context and clarity. When you call the cat() function, it prints each message on a new line by default.

Task

Reflecting on the task of calculating full days and remaining hours from 435 hours, let's enhance the output format. The output should be structured as follows:

Remember to use integer division (%/%) to determine the number of whole days and the modulo operator (%%) for any remaining hours.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 1. Chapter 7
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bookcat() Function

Enhancing the output with descriptive text can greatly improve the readability and user-friendliness of the results. In R, the cat() function serves this exact purpose.

With cat(), you can combine text, expressions, and variables to construct a meaningful output. Each element you want to include in the output should be separated by a comma, and strings of text must be enclosed in quotes (either double "" or single ''). By default, cat() separates each argument with a space.

Let's take a look at an example:


              
12

            
cat("The result of integer division is", 10 %/% 3)
cat("The remainder of the division is", 10 %% 3)
copy

This approach clearly enhances the output, providing context and clarity. When you call the cat() function, it prints each message on a new line by default.

Task

Reflecting on the task of calculating full days and remaining hours from 435 hours, let's enhance the output format. The output should be structured as follows:

Remember to use integer division (%/%) to determine the number of whole days and the modulo operator (%%) for any remaining hours.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 1. Chapter 7
toggle bottom row

bookcat() Function

Enhancing the output with descriptive text can greatly improve the readability and user-friendliness of the results. In R, the cat() function serves this exact purpose.

With cat(), you can combine text, expressions, and variables to construct a meaningful output. Each element you want to include in the output should be separated by a comma, and strings of text must be enclosed in quotes (either double "" or single ''). By default, cat() separates each argument with a space.

Let's take a look at an example:


              
12

            
cat("The result of integer division is", 10 %/% 3)
cat("The remainder of the division is", 10 %% 3)
copy

This approach clearly enhances the output, providing context and clarity. When you call the cat() function, it prints each message on a new line by default.

Task

Reflecting on the task of calculating full days and remaining hours from 435 hours, let's enhance the output format. The output should be structured as follows:

Remember to use integer division (%/%) to determine the number of whole days and the modulo operator (%%) for any remaining hours.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Enhancing the output with descriptive text can greatly improve the readability and user-friendliness of the results. In R, the cat() function serves this exact purpose.

With cat(), you can combine text, expressions, and variables to construct a meaningful output. Each element you want to include in the output should be separated by a comma, and strings of text must be enclosed in quotes (either double "" or single ''). By default, cat() separates each argument with a space.

Let's take a look at an example:


              
12

            
cat("The result of integer division is", 10 %/% 3)
cat("The remainder of the division is", 10 %% 3)
copy

This approach clearly enhances the output, providing context and clarity. When you call the cat() function, it prints each message on a new line by default.

Task

Reflecting on the task of calculating full days and remaining hours from 435 hours, let's enhance the output format. The output should be structured as follows:

Remember to use integer division (%/%) to determine the number of whole days and the modulo operator (%%) for any remaining hours.

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 1. Chapter 7
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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