Control Structures In R Programming - Study Mode
[#126] In R, what does the repeat loop combined with next do?
Correct Answer
(C) Repeats a block of code a specified number of times and skips to the next iteration
[#127] A function, together with an environment, makes up what is called a . . . . . . . . closure.
Correct Answer
(B) function
[#128] Body of lapply function is?
Correct Answer
(A) function (X, FUN, ...)
{
FUN <- match.fun(FUN)
if (!is.vector(X) || is.object(X))
X <- as.list(X)
.Internal(lapply(X, FUN))
}
[#129] . . . . . . . . is used to break the execution of a loop.
Correct Answer
(C) break
[#130] Write a function to extract the first name in the string "Mrs. Jake Luther"?
Correct Answer
(B) Substr