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Home » Quiz » R Programming Quiz

The _________ package in R can be used for advanced data reshaping and aggregation.

Difficulty level
  • dplyr
  • ggplot2
  • reshape2
  • tidyr
reshape2 is a powerful package in R that provides methods to reshape your data between long and wide formats, as well as facilitating the aggregation of your data.
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R Programming Quiz
Quiz
To improve readability of nested if statements in R, it is advisable to use proper ________.
In R, the result of the operation 'TRUE AND NA' is ________.

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