Hello togehter, i have a data.frame, with value like this:
A B
1 10-1 aaa
2 10-1 bbb
3 10-1 abc
4 10-2 vvv
5 10-3 ggg
I want now a evaluation, which character is how often in my data.frame. Like
this one:
A B
1 10-1 3
2 10-2 1
3 10-3 1
How can i do this?
Thank you.
Mat
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