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<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>DDW Interface - Confusion Matrix Practice</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<header class="site-header">
<div>
<p class="kicker">Data Driven World</p>
<h1>Confusion Matrix Practice (Page 3)</h1>
</div>
<nav>
<a href="index.html">Home</a>
<a href="simple-sigmoid.html">Simple Sigmoid</a>
<a class="active" href="confusion-matrix.html">Confusion Matrix (Page 3)</a>
<a href="sigmoid.html">Sigmoid Function</a>
<a href="cost-visualization.html">Cost Function</a>
<a href="about.html">Notes</a>
</nav>
</header>
<main class="layout">
<section class="panel controls">
<h2>Exercise Setup</h2>
<label for="classMode">Classification type</label>
<select id="classMode">
<option value="binary">2 classes (Positive / Negative)</option>
<option value="three">3 classes (A / B / C)</option>
</select>
<label for="threshold">Threshold t: <span id="thresholdValue">0.50</span></label>
<input id="threshold" type="range" min="0.30" max="0.80" step="0.01" value="0.50" />
<p class="hint" id="ruleText"></p>
<div class="button-row">
<button id="checkBtn" type="button">Check My Answers</button>
<button id="showSolutionBtn" type="button">Show Full Solution</button>
</div>
<div class="button-row">
<button id="newSamplesBtn" type="button">Generate New Samples</button>
<button id="resetBtn" type="button">Reset Inputs</button>
</div>
<div class="stats" id="feedbackStats"></div>
</section>
<section class="panel chart-panel confusion-panel">
<h2>Student Task</h2>
<p class="hint">
Six samples are given. Prediction for Sample 1 and 2 are worked examples. You calculate Sample 3 to 6, then
fill confusion matrix and metrics.
</p>
<div id="sampleArea"></div>
<div id="matrixArea"></div>
<div id="metricArea"></div>
<section class="solution-block" id="solutionBlock" hidden>
<h3>Detailed Process and Solutions</h3>
<div id="solutionText"></div>
</section>
</section>
</main>
<script src="confusion.js"></script>
</body>
</html>
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