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Home » Quiz » R Programming Quiz

To get the indices of a logical vector in R where the value is TRUE, you can use the ________ function.

Difficulty level
  • which()
  • subset()
  • filter()
  • index()
In R, the which() function is used to get the indices of a logical vector where the value is TRUE. For example, which(c(TRUE, FALSE, TRUE)) would return the indices 1 and 3.
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R Programming Quiz
Quiz
Can you calculate the mean of a matrix in R?
In R, a function's parameters are defined in parentheses after the function name, like this: function_name(______).

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