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question
2 messages · Soheila Khodakarim, R. Michael Weylandt
Perhaps something (untested) like sapply(split(x, rownames(x)), colSums) Next time it's suggested you use dput() to send your data. Michael On Tue, Feb 14, 2012 at 7:08 AM, Soheila Khodakarim
<lkhodakarim at gmail.com> wrote:
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 ? ? ? ?[[alternative HTML version deleted]]
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