R Programming MCQs MCQ: What will be the output of the following R code? > x lapply(x, function(elt) { elt[,1] })

What will be the output of the following R code? > x <- list(a = matrix(1:4, 2, 2), b = matrix(1:6, 3, 2)) > lapply(x, function(elt) { elt[,1] })

Correct Answer: $a [1] 1 2 $b [1] 1 2 3

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