Dixon-Coles Algorithm for Football Odds

A Dixon-Coles Algorithm calculator based on the 1997 model for setting football match odds.

Info

Created On: August 28, 2023
Created By: @CalculatorTools

Tags

Football Calculator DixonColes Odds

AI

Model: chatgpt-plugin
Time: 0 seconds
Prompt Tokens: 0
Completion Tokens: 0
Total Token Cost: 0

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Javascript, HTML, CSS Code

                    <!DOCTYPE html>

<html>

<head>

		<script type="text/javascript"> window.addEventListener('error', function(event) { var message = JSON.parse(JSON.stringify(event.message)); var source = event.filename; var lineno = event.lineno; var colno = event.colno; var error = event.error; window.parent.postMessage({ type: 'iframeError', details: { message: message, source: source, lineno: lineno, colno: colno, error: error ? error.stack : '' } }, '*'); }); window.addEventListener('unhandledrejection', function(event) { window.parent.postMessage({ type: 'iframePromiseRejection', details: { reason: event.reason } }, '*'); }); </script>



  <title>Dixon-Coles Algorithm for Football Odds</title>

  <meta name='description' content='A Dixon-Coles Algorithm calculator based on the 1997 model for setting football match odds.'>

  <meta name='keywords' content='Dixon-Coles, Football, Odds, Calculator'>

  <script>

    function factorial(n) {

      return (n === 0 || n === 1) ? 1 : n * factorial(n - 1);

    }



    function tau(lambda1, lambda2, x1, x2, omega) {

      if (x1 === 0 && x2 === 0) return 1 - lambda1 * lambda2 * omega;

      if (x1 === 0 && x2 === 1) return 1 + lambda1 * omega;

      if (x1 === 1 && x2 === 0) return 1 + lambda2 * omega;

      if (x1 === 1 && x2 === 1) return 1 - omega;

      return 1;

    }



    function calculateOdds() {

      const lambda1 = parseFloat(document.getElementById('lambda1').value);

      const lambda2 = parseFloat(document.getElementById('lambda2').value);

      const omega = parseFloat(document.getElementById('omega').value);



      let odds00 = tau(lambda1, lambda2, 0, 0, omega) * Math.exp(-lambda1) * Math.exp(-lambda2) / (factorial(0) * factorial(0));

      let odds10 = tau(lambda1, lambda2, 1, 0, omega) * Math.exp(-lambda1) * Math.pow(lambda2, 1) / (factorial(1) * factorial(0));

      let odds01 = tau(lambda1, lambda2, 0, 1, omega) * Math.pow(lambda1, 1) * Math.exp(-lambda2) / (factorial(0) * factorial(1));

      let odds11 = tau(lambda1, lambda2, 1, 1, omega) * Math.pow(lambda1, 1) * Math.pow(lambda2, 1) / (factorial(1) * factorial(1));



      document.getElementById('odds00').innerText = `Odds for (0, 0): ${odds00.toFixed(4)}`;

      document.getElementById('odds10').innerText = `Odds for (1, 0): ${odds10.toFixed(4)}`;

      document.getElementById('odds01').innerText = `Odds for (0, 1): ${odds01.toFixed(4)}`;

      document.getElementById('odds11').innerText = `Odds for (1, 1): ${odds11.toFixed(4)}`;

    }

  </script>



	<link rel="canonical" href="https://calculator.tools/prompt/5210/">

	<meta charset="utf-8">

</head>

<body>

  <h1>Dixon-Coles Algorithm for Football Odds</h1>

  <p>Enter the following parameters:</p>

  <label for='lambda1'>Lambda 1 (λ1):</label>

  <input type='number' id='lambda1'><br>

  <label for='lambda2'>Lambda 2 (λ2):</label>

  <input type='number' id='lambda2'><br>

  <label for='omega'>Omega (ω):</label>

  <input type='number' id='omega'><br>

  <button onclick='calculateOdds()'>Calculate Odds</button>

  <p id='odds00'></p>

  <p id='odds10'></p>

  <p id='odds01'></p>

  <p id='odds11'></p>

        <script type="text/javascript"> var localStoragePrefix = "ct-{{ cachebreaker }}"; var lastSave = 0; function saveLocal(data) { if (Date.now() - lastSave < 1000) { return; } let cookie = localStoragePrefix + "=" + JSON.stringify(data) + "; path=" + window.location.pathname +  "'; SameSite=Strict"; cookie += "; expires=" + new Date(Date.now() + 1000 * 60 * 60 * 24 * 365 * 1000).toUTCString(); document.cookie = cookie; lastSave = Date.now(); } function loadLocal() { var cookiePrefix = localStoragePrefix + "="; var cookieStart = document.cookie.indexOf(cookiePrefix); if (cookieStart > -1) { let cookieEnd = document.cookie.indexOf(";", cookieStart); if (cookieEnd == -1) { cookieEnd = document.cookie.length; } var cookieData = document.cookie.substring(cookieStart + cookiePrefix.length, cookieEnd); return JSON.parse(cookieData); } } </script>



        <script type="text/javascript"> window.addEventListener('load', function() { var observer = new MutationObserver(function() { window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); observer.observe(document.body, {attributes: true, childList: true, subtree: true}); window.parent.postMessage({height: document.documentElement.scrollHeight || document.body.scrollHeight},"*"); }); </script>

</body>

</html>

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