Q21
How do you create a vector containing the first 5 prime numbers in R using a while loop?
A.
primes <- numeric(5); num <- 2; while (length(primes) < 5) { if (all(num %% 2:(num-1) != 0)) { primes <- c(primes, num) } num <- num + 1 }
AnswerB.
primes <- while (length(primes) < 5) { if (all(num %% 2:(num-1) != 0)) { c(primes, num) } num <- num + 1 }
C.
primes <- c(2, 3, 5, 7, 11); while (length(primes) < 5) { primes <- c(primes, primes[length(primes)] + 2) }
D.
primes <- numeric(5); for (i in seq(2, 11, by = 2)) { primes <- c(primes, i) }
Answer: Option A
Solution
Answer: Option A
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