Q121
Open question. . . . . . . . generate summary statistics of different variables in the data frame, possibly within strata.
Select an option to see the answer and solution.
R Programming · all questionsData Structures in R Programming
Data Structures in R Programming
practice.
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Q122
Open questionWhat will be the output of the following R code?
> x <- list(aardvark = 1:5)
> x$aSelect an option to see the answer and solution.