ex.

Andrea, 6, good, nice, 3
Bill, 5, 4, better, 5, 7, 4
Clark, 4, 5
Dave, best, better, best
Joe, 5, 0
Joe, 4, 6
William, 6, 7, 8, 3 , 1 ,5
Andrea, 45, bettr, best, 6

where the result I would like is a matrice ex.

Andrea(1, 2)=good
Dave(1,2) = better
Joe(1,2) = 0