Example data from Greenacre, "Correspondence Analysis in Practice", 2007, p.66
1 1
1 2
1 3
1 4
2 1
2 2
2 3
2 4
3 1
3 2
3 3
3 4
4 1
4 2
4 3
4 4
5 1
5 2
5 3
5 4
1 1
1 1
1 1
1 2
1 3
1 3
1 4
2 1
2 1
2 1
2 2
2 2
2 3
2 3
2 3
2 3
2 3
2 3
2 4
2 4
2 4
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 1
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 4
3 4
3 4
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 1
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 2
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 3
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
4 4
5 1
5 1
5 1
5 1
5 1
5 1
5 1
5 1
5 1
5 2
5 2
5 2
5 2
5 2
5 3
5 3
5 3
5 3
5 3
5 3
5 4
"Senior mgr" "Junior mgr" "Senior emp" "Junior emp" "Secretaries"
"None" "Light" "Medium" "Heavy"