MaximalBy

MaximalBy[data,f] returns a list of the elements ei of data for which the value of f[ei] is maximal.

MaximalBy[data,f,n] returns a list of the elements ei of data corresponding to the n largest f[ei].

MaximalBy[data,f,n,p] uses the ordering function p for sorting.

MaximalBy[f] represents an operator form of MaximalBy that can be applied to an expression.

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