Dear R-list,
I have data in the following format:
Country 1 Country 2 Country 3 ...
1 0 1 0
2 1 0 2
3 0 1 0
Now I would like to create a variable that counts every non-zero element
of the rows, so for the above example it would be:
Count
1 1
2 2
3 1
Any help from is greatly appreciated!
With kind regards
Thomas
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