How to count identical string elements in a Ruby array

Question

I have the following Array = [\"Jason\", \"Jason\", \"Teresa\", \"Judah\", \"Michelle\", \"Judah\", \"Judah\", \"Allison\"]

How do I produce a count for

Answer 1

a = [1, 2, 3, 2, 5, 6, 7, 5, 5]
a.each_with_object(Hash.new(0)) { |o, h| h[o] += 1 }

# => {1=>1, 2=>2, 3=>1, 5=>3, 6=>1, 7=>1}

Credit Frank Wambutt