Hi statalist community,


Code:
* Example generated by -dataex-. For more info, type help dataex
clear
input  RTR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
end


What I need, is to put leading zero in single digit number-

Needed output looks like.

RTR
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17