R: finding column with minimum value in each row when there is a tied

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误落风尘
误落风尘 2021-01-19 21:51

Here is my data example:

>dat <- matrix(c(59,50,48,44,44,NA,78,59,42,67,51,NA,72,64,64),byrow=TRUE,ncol=3) 
>k <- apply(dat, 1, function(x) whic         


        
3条回答
  •  南笙
    南笙 (楼主)
    2021-01-19 21:57

    You can use max.col(-dat, "last"), but you'll have to set NAs to Inf first.

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