Q59
What will be the output of the following R code? > x lapply(x, function(elt) elt[,1] )
A.
$a
[1] 1 2
$b
[1] 1 2 3
Answer[1] 1 2
$b
[1] 1 2 3
B.
$a
[1] 1 2 3
$b
[1] 1 2 3
[1] 1 2 3
$b
[1] 1 2 3
C.
$a
[1] 1 2 3
$b
[1] 1 2
[1] 1 2 3
$b
[1] 1 2
D.
Error
Answer: Option A
Solution
Answer: Option A
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