Which of the following extracts first element from the following R list?
> x <- list(foo = 1:4, bar = 0.6)
> x <- list(foo = 1:4, bar = 0.6)A. x[[1]]
B. x[1]
C. x[[0]]
D. x[0]
Answer: Option A
This Question Belongs to R Programming >> Data Structures In R Programming
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