After executing the code, you might notice [1] parts in the output. R is just letting you know that this line begins with the first value in your result. In future sections, you will meet outputs that contain multiple values.

As you remember, there is no need to use a special function to output values in R.

Assume we want to perform a division.

Suppose you want to 'round' the number up to a specific number of digits. In that case, you can use the traditional programming languages function print().

Let's consider the function' structure:

For example, we can round the number from the example above to 3 digits.

As you can see, the result of the expression was rounded to three digits.


  1. In the first line, perform a division of 50 by 7.
  2. In the second line, perform a division of 50 by 7, and round the result to 4 digits using the print() function.

Everything was clear?

Section 1. Chapter 2
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