length(x) will give how many elements are there in a vector.

nchar(x) will give how many letters in each element of x.

**Examples:**

Create Two Vectors:

> x< -c(5:15) --X Vector with integer type
> x
[1] 5 6 7 8 9 10 11 12 13 14 15
> y< -c(9:19,"Hello World") --y vector with string data type
> y
[1] "9" "10" "11" "12" "13" "14" "15" "16"
[9] "17" "18" "19" "Hello World"
> length(x)
[1] 11 --x vector contains 11 elements
> length(y)
[1] 12 --y vector contains 12 elements
> nchar(x) --This will give each element length of vector x
[1] 1 1 1 1 1 2 2 2 2 2 2
> nchar(y) --This will give each element length of vector y
[1] 1 2 2 2 2 2 2 2 2 2 2 11

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