

Dear forumites

As a newbie I try to figure out whether R can do a certain job quicker than other programs and it seems so, but I don't find a solution to a seemingly simple problem:

I have built a matrix of distance with as.matrix(dist()) with several hundred rows and columns
            1          2          3          4
1          0          1.3       1.6       2.1
2          1.3       0          1.9       1.7
3          1.6       1.9       0          2.2
4          2.1       1.7       2.2       0

Now I need for every column a frequency table of the type

Class.  1          2          3          4
0.5       0          0          0          0
1          0          0          0          0
1.5       1          1          0          0
2          1          2          2          1
2.5       1          0          1          2

Which function is appropriate here?
Cheers
Niels

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