Create a function that returns the frequency distribution of an array. This function should return an object, where the keys are the unique elements and the values are the frequency in which those elements occur. Examples get Frequencies (["A", "B", "A", "A", "A"]) →{A: 4, B: 1 } get Frequencies ([1, 2, 3, 3, 2]) get Frequencies ([true, false, true, false, false]) - {"1": 1, "2": 2, "3": 2 } - { true: 2, fal

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Create a function that returns the frequency distribution of an array. This
function should return an object, where the keys are the unique elements and
the values are the frequency in which those elements occur.
Examples
get Frequencies (["A", "B", "A", "A", "A"]) → { A: 4, B: 1 }
get Frequencies ([1, 2, 3, 3, 2]) → { "1": 1, "2": 2, "3": 2 }
get Frequencies ([true, false, true, false, false])
{ true: 2, fal
→
Transcribed Image Text:Create a function that returns the frequency distribution of an array. This function should return an object, where the keys are the unique elements and the values are the frequency in which those elements occur. Examples get Frequencies (["A", "B", "A", "A", "A"]) → { A: 4, B: 1 } get Frequencies ([1, 2, 3, 3, 2]) → { "1": 1, "2": 2, "3": 2 } get Frequencies ([true, false, true, false, false]) { true: 2, fal →
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