I have this matrix in R,
s1 s2 s3 s4
g1 1 0 0 0
g1 0 1 0 0
g1 0 0 1 0
g2 1 0 0 0
g2 0 1 0 0
g3 1 0 0 0
g4 0 0 1 0
g4 1 0 0 0
g4 0 1 0 0
g4 0 0 0 1
I want to split this matrix based on its rows then sum based on columns,
finally I want to make this matrix:
s1 s2 s3 s4
g1 1 1 1 0
g2 1 1 0 0
g3 1 0 0 0
g4 1 1 1 1
I will appreciate if you guide me.
Regards,
Soheila
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