Check out example codes for "unity get max occurrence in list". It will help you in understanding the concepts better.

Code Example 1

using System.Linq;

# first the max repeated elements
var maxRepeatedItem = prod.GroupBy(x => x)
                          .MaxBy(x => x.Count())

# all the max repeated elements
var grouped = prod.ToLookup(x => x);
var maxRepetitions = grouped.Max(x => x.Count());
var maxRepeatedItems = grouped.Where(x => x.Count() == maxRepetitions)
                              .Select(x => x.Key).ToList();

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