mattmazzola

npx create-react-app@latest client --template=typescript

mattmazzola

// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

mattmazzola

md Service
cd Service

dotnet new sln
dotnet new gitignore
dotnet new webapi -n Articles.Api
dotnet sln add Articles.Api

git add -A
git commit -m "Initial Commit"

mattmazzola

md dotnet-openapi-node
cd dotnet-openapi-node
git init

mattmazzola

const [playerProbability, questionProbability] = ratingSystem.getPlayerProbabilities(player.rating, question.rating)
const expectedOutcome = playerProbability > 0.5 ? 1 : 0
const playerOutcome = Math.random() < playerProbability ? 1 : 0

mattmazzola

const minRating = player.rating - ratingRange
const maxRating = player.rating + ratingRange
const isRatingWithinRange = (question: Question) => minRating <= question.rating && question.rating <= maxRating
const question = getRandomWhichMeetsConstraints(questions, isRatingWithinRange)

mattmazzola

export function createCsvFromObjects<T extends Record<string, unknown>>(os: T[]): string {
    if (os.length == 0) {
        throw new Error(`Cannon create CSV from empty list. Given list must not be empty.`)
    }

    const firstResult = os[0]
    const keys = Object.keys(firstResult)

    const headers = keys.join(',')
    const rows = os.map(result => Object.values(result).join(','))

mattmazzola

// Execute simulation
const numQuestionsPerPlayer = 100
// The maximum difference that a question's rating will be from the player's rating
// Simulates a queuing system the pairs likely candidates
const ratingRange = 250

const symmetricResults = simulateGames(symmetricRatingSystem, players, questions, numQuestionsPerPlayer, ratingRange)
const asymmetricResults = simulateGames(asymmetricRatingSystem, players2, questions2, numQuestionsPerPlayer, ratingRange)

mattmazzola

// For each player simulate the player answering series of questions and observe rating changes
export default function simulateGames(
    ratingSystem: RatingSystem,
    players: Player[],
    questions: Question[],
    numQuestionsPerPlayer: number,
    ratingRange: number
): Result[] {
    const results: Result[] = []

mattmazzola

// Create players
const initialRating = 1000
const numPlayers = 10
const playerTiers = 5
const playerRatingRange = 6000 - initialRating
const playerSegmentSize = Math.floor(numPlayers / playerTiers)
const playerIncrementAmount = Math.floor(playerRatingRange / playerTiers)

const playerGeneration = {
    total: numPlayers,