I have a data base with multiple response (colums tema1, tema2, tema3) that are coded, as show below:
tema1 tema2 tema3
25 6 14
25 4 11
25 2 5
11 8
25 6 18
2 1
25 6 14
21 6 4
25 6 14
I want to make a table of frequency like this
tema frequency
1 1
2 3
4 2
6 4
I´ll apreciete if you can help indicating wich comand or comands I have to use. Thanks.
Aldo.