Hello to everybody,
I'll try to do for the first time the calculation of intra class correlation between two reviewers (a e b)
I am going through hard times . IS ANYBODY CAN HELP ME?
I USE THIS INSTRUCTION icc id a b but i am sure that is wrong. Below the data set


id a b
1 0 0
1 2 2
1 0 0
1 0 0
1 0 0
1 1 1
1 0 0
1 1 1
1 1 1
1 0 0
1 3 3
1 3 3
1 1 1
1 1 1
1 3 3
1 1 1
2 0 0
2 0 0
2 0 0
2 2 2
2 0 0
2 1 1
2 0 0
2 0 0
2 0 0
2 0 0
2 0 0
2 0 0
2 0 0
2 1 1
2 1 1
3 0 0
3 0 0
3 0 0
3 0 2
3 2 0
3 0 0
3 0 0
3 0 0
3 0 0
3 0 0
3 0 0
3 3 3
3 3 3
3 0 0
3 1 0
3 3 3
3 1 0
4 1 1
4 2 1
4 1 1
4 2 1
4 1 1
4 1 1
4 1 1
4 1 1
4 1 1
4 0 0
4 1 1
4 0 1
4 1 1
4 1 1
4 1 1
4 1 1
5 0 0
5 0 0
5 0 0
5 2 2
5 0 0
5 0 0
5 1 2
5 1 0
5 0 0
5 0 0
5 3 3
5 3 3
5 0 0
5 1 1
5 3 3
5 0 0
6 0 0
6 2 2
6 0 0
6 2 2
6 1 1
6 0 0
6 0 0
6 1 0
6 2 2
6 0 0
6 3 3
6 3 3
6 0 0
6 1 1
6 3 3
6 0 0