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Editorial Team
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Editorial Team
Asked: June 9, 20262026-06-09T02:28:24+00:00 2026-06-09T02:28:24+00:00

Currently, I have two matrixes, and want to compare it and see whether they

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Currently, I have two matrixes, and want to compare it and see whether they are exactly equivalent. In R, is there any function to do that?

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  1. Editorial Team
    Editorial Team
    2026-06-09T02:28:25+00:00Added an answer on June 9, 2026 at 2:28 am

    As stated above start with ?all.equal or ?identical. If you then find that your matrices are unequal, you may want to compare them column by column. This might do the trick:

    mapply(as.data.frame(m1),as.data.frame(m2),FUN=function(v1,v2) all(v1==v2) )

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