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R Introduction

bookBasic Arithmetic

Unlike many other programming languages, R doesn't need a specific function to display output. So, let's begin our R journey with some simple arithmetic to get started.

In R, you can perform basic arithmetic using the following operators:

  • + for addition;
  • - for subtraction;
  • * for multiplication;
  • / for division.

For example, let's compute a few mathematical expressions:


              
123

            
12 + 21
32 - 16
10 * 11
copy

As you can see, there's nothing complicated here.

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Perform the following calculations using basic arithmetic operations:

  1. 30 + 24;
  2. 50 - 36;
  3. 19 * 7.

Lösning

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 2
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Suggested prompts:

Can you show me more examples of arithmetic operations in R?

What happens if I use parentheses in these expressions?

How do I assign the result of an operation to a variable in R?

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bookBasic Arithmetic

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Unlike many other programming languages, R doesn't need a specific function to display output. So, let's begin our R journey with some simple arithmetic to get started.

In R, you can perform basic arithmetic using the following operators:

  • + for addition;
  • - for subtraction;
  • * for multiplication;
  • / for division.

For example, let's compute a few mathematical expressions:


              
123

            
12 + 21
32 - 16
10 * 11
copy

As you can see, there's nothing complicated here.

Uppgift

Swipe to start coding

Perform the following calculations using basic arithmetic operations:

  1. 30 + 24;
  2. 50 - 36;
  3. 19 * 7.

Lösning

Switch to desktopByt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan
Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

close

Awesome!

Completion rate improved to 2.27
Avsnitt 1. Kapitel 2
single

single

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