Simple histogram generation of integer data in C#

Question

As part of a test bench I\'m building, I\'m looking for a simple class to calculate a histogram of integer values (number of iterations taken for an algorithm to solve a pro

Answer 1

You can use Linq:

var items = new[] {5, 6, 1, 2, 3, 1, 5, 2};
items
    .GroupBy(i => i)
    .Select(g => new {
        Item = g.Key,
        Count = g.Count()
    })
    .OrderBy(g => g.Item)
    .ToList()
    .ForEach(g => {
        Console.WriteLine("{0} occurred {1} times", g.Item, g.Count);
    });