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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit f23f22d71c
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Task/Ranking-methods/C-sharp/ranking-methods.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
namespace RankingMethods {
class Program {
static void Main(string[] args) {
Dictionary<string, int> scores = new Dictionary<string, int> {
["Solomon"] = 44,
["Jason"] = 42,
["Errol"] = 42,
["Gary"] = 41,
["Bernard"] = 41,
["Barry"] = 41,
["Stephen"] = 39,
};
StandardRank(scores);
ModifiedRank(scores);
DenseRank(scores);
OrdinalRank(scores);
FractionalRank(scores);
}
static void StandardRank(Dictionary<string, int> data) {
Console.WriteLine("Standard Rank");
var list = data.Values.Distinct().ToList();
list.Sort((a, b) => b.CompareTo(a));
int rank = 1;
foreach (var value in list) {
int temp = rank;
foreach (var k in data.Keys) {
if (data[k] == value) {
Console.WriteLine("{0} {1} {2}", temp, value, k);
rank++;
}
}
}
Console.WriteLine();
}
static void ModifiedRank(Dictionary<string, int> data) {
Console.WriteLine("Modified Rank");
var list = data.Values.Distinct().ToList();
list.Sort((a, b) => b.CompareTo(a));
int rank = 0;
foreach (var value in list) {
foreach (var k in data.Keys) {
if (data[k] == value) {
rank++;
}
}
foreach (var k in data.Keys) {
if (data[k] == value) {
Console.WriteLine("{0} {1} {2}", rank, data[k], k);
}
}
}
Console.WriteLine();
}
static void DenseRank(Dictionary<string, int> data) {
Console.WriteLine("Dense Rank");
var list = data.Values.Distinct().ToList();
list.Sort((a, b) => b.CompareTo(a));
int rank = 1;
foreach (var value in list) {
foreach (var k in data.Keys) {
if (data[k] == value) {
Console.WriteLine("{0} {1} {2}", rank, data[k], k);
}
}
rank++;
}
Console.WriteLine();
}
static void OrdinalRank(Dictionary<string, int> data) {
Console.WriteLine("Ordinal Rank");
var list = data.Values.Distinct().ToList();
list.Sort((a, b) => b.CompareTo(a));
int rank = 1;
foreach (var value in list) {
foreach (var k in data.Keys) {
if (data[k] == value) {
Console.WriteLine("{0} {1} {2}", rank, data[k], k);
rank++;
}
}
}
Console.WriteLine();
}
static void FractionalRank(Dictionary<string, int> data) {
Console.WriteLine("Fractional Rank");
var list = data.Values.Distinct().ToList();
list.Sort((a, b) => b.CompareTo(a));
int rank = 0;
foreach (var value in list) {
double avg = 0;
int cnt = 0;
foreach (var k in data.Keys) {
if (data[k] == value) {
rank++;
cnt++;
avg += rank;
}
}
avg /= cnt;
foreach (var k in data.Keys) {
if (data[k] == value) {
Console.WriteLine("{0:F1} {1} {2}", avg, data[k], k);
}
}
}
Console.WriteLine();
}
}
}