Posts by user1265067 • 111 points

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  A: Replace Zero and Infinity values in a matrix (R)

  I think you could do something like: ind <- which(my.matrix==0, arr.ind=TRUE) apply(ind, 1, function(x) my.matrix[x[1], x[2]] <<- my.matrix[x[1], 1]) see if this is what you really wanted.…

  r matrix

  answered 10 years, 6 months ago user1265067 111