Dear Members of the R-Help,


While using a R function - 'aggregate' that you developed, I become to have a question.

In that function,



> aggregate(x, by, FUN, ..., simplify = TRUE)



I was wondering about what type of FUN I should write if I want to get "the most frequent value of the subgroup" as a summary statistics of the subgroups.

I will appreciate if I can get your idea on this issue.

Many thanks,

Jason Jung.


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