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R version

One of the relatively easy optimizations available is to use an up-to-date version of R. In general, R is very conservative, so upgrading doesn't break existing code. However, a new version will often provide free speed boosts for key functions.

The version command returns a list that contains (among other things) the major and minor version of R currently being used.

This exercise is part of the course

Writing Efficient R Code

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Exercise instructions

  • Print the version details of R using version. (It's not a function.)
  • Use dollar indexing ($) to extract the major component of version and assign it to the variable major.
  • Likewise, extract the minor component and assign it to the variable minor.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Print the R version details using version
___

# Assign the variable major to the major component
major <- ___

# Assign the variable minor to the minor component
minor <- ___
Edit and Run Code