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Essential R Programming for Absolute Beginners - 1768563985826

bookprint() Function

When R displays results, the output is often preceded by [1]. This marker indicates that the line begins with the first element of the result. For larger outputs, you will see additional markers such as [2], [3], and so on.

Using print()

Although R automatically shows results, you can use the print() function to control how output is displayed. One of its options is the digits argument, which rounds numbers to a chosen number of significant figures.

print(expression, digits = n)

Example

12
5 / 3 print(5 / 3, digits = 3)
copy

Here, the output of print() is rounded to three significant figures, making results easier to read.

Taak

Swipe to start coding

  1. On the first line, execute a division of 50 by 7.
  2. On the second line, divide 50 by 7 again, but this time round the result to four significant figures using the print() function.

Oplossing

Was alles duidelijk?

Hoe kunnen we het verbeteren?

Bedankt voor je feedback!

Sectie 1. Hoofdstuk 3
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bookprint() Function

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When R displays results, the output is often preceded by [1]. This marker indicates that the line begins with the first element of the result. For larger outputs, you will see additional markers such as [2], [3], and so on.

Using print()

Although R automatically shows results, you can use the print() function to control how output is displayed. One of its options is the digits argument, which rounds numbers to a chosen number of significant figures.

print(expression, digits = n)

Example

12
5 / 3 print(5 / 3, digits = 3)
copy

Here, the output of print() is rounded to three significant figures, making results easier to read.

Taak

Swipe to start coding

  1. On the first line, execute a division of 50 by 7.
  2. On the second line, divide 50 by 7 again, but this time round the result to four significant figures using the print() function.

Oplossing

Switch to desktopSchakel over naar desktop voor praktijkervaringGa verder vanaf waar je bent met een van de onderstaande opties
Was alles duidelijk?

Hoe kunnen we het verbeteren?

Bedankt voor je feedback!

Sectie 1. Hoofdstuk 3
single

single

some-alt