Lead Data Scientist Question:

A loop is a sequence of instructions that is repeated until a certain condition is been reached. for, while and repeat, with the additional clauses break and next are used to construct loops.

For Example-

It is executed a known number of times for a block is been contained within curly braces.

x = c(1,2,3,4,5)
for(i in 1:5){
print(x[i])
}
[1] 1
[1] 2
[1] 3
[1] 4
[1] 5