auswertung hinzugefügt
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Borgal
224
stats.php
Executable file
224
stats.php
Executable file
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<?php
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// PHP-Logik für die Datenabfrage
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include('inc/check_login.php');
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include('inc/check_admin.php');
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require_once('inc/db.php');
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// --- 1. Jährliche Strafen-Statistik ---
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// Passen Sie hier das Datum der Abschlussveranstaltung an.
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$last_reset_date = '2024-01-01';
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$penalties_data = [];
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$total_penalties = 0;
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$total_due = 0;
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// Passen Sie hier die Höhe der Strafe in Euro an.
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$penalty_amount = 1;
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// SQL-Abfrage, um Strafen pro Benutzer seit dem letzten Reset-Datum zu zählen
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// Strafe = anwesend (attended=1) aber Farbe nicht getragen (wore_color=0)
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$sql_penalties = "
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SELECT
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u.username,
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COUNT(mt.user_id) AS penalty_count
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FROM meeting_teilnehmer mt
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JOIN meetings m ON mt.meeting_id = m.id
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JOIN users u ON mt.user_id = u.id
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WHERE m.meeting_date >= ? AND mt.attended = 1 AND mt.wore_color = 0
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GROUP BY u.username
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ORDER BY penalty_count DESC
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";
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$stmt = mysqli_prepare($conn, $sql_penalties);
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// Überprüfen, ob das Statement erfolgreich vorbereitet wurde
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if ($stmt === false) {
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die("Fehler bei der SQL-Abfrage: " . mysqli_error($conn));
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}
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mysqli_stmt_bind_param($stmt, "s", $last_reset_date);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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while ($row = mysqli_fetch_assoc($result)) {
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$penalties_data[] = $row;
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$total_penalties += $row['penalty_count'];
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$total_due += $row['penalty_count'] * $penalty_amount;
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}
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mysqli_stmt_close($stmt);
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// --- 2. Gesamt-Statistiken ---
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// Statistik 1: Häufigkeit der gewählten Farben
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$color_stats = [];
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$sql_colors = "
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SELECT
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c.name,
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c.hex_code,
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COUNT(m.id) AS meeting_count
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FROM meetings m
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JOIN colors c ON m.color_id = c.id
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GROUP BY c.name, c.hex_code
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ORDER BY meeting_count DESC
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";
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$result = mysqli_query($conn, $sql_colors);
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while ($row = mysqli_fetch_assoc($result)) {
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$color_stats[] = $row;
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}
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// Statistik 2: Teilnahmequote pro Benutzer
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$participation_stats = [];
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$sql_participation = "
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SELECT
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u.username,
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COUNT(mt.user_id) AS total_attendance
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FROM meeting_teilnehmer mt
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JOIN users u ON mt.user_id = u.id
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WHERE mt.attended = 1
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GROUP BY u.username
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ORDER BY total_attendance DESC
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";
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$result = mysqli_query($conn, $sql_participation);
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while ($row = mysqli_fetch_assoc($result)) {
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$participation_stats[] = $row;
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}
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// Header einbinden
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require_once 'inc/header.php';
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?>
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<div class="container mt-5">
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<h2 class="mb-4">Statistiken & Auswertung</h2>
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<div class="card shadow mb-4">
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<div class="card-header bg-danger-subtle text-danger">
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<h4 class="mb-0">Aktuelle Strafen (seit <?= date('d.m.Y', strtotime($last_reset_date)); ?>)</h4>
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</div>
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<div class="card-body">
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<p class="fs-5 fw-bold text-center">
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Gesamtzahl der Strafen: <span class="badge bg-danger"><?= $total_penalties ?></span><br>
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Fälliger Gesamtbetrag: <span class="text-danger fw-bold"><?= number_format($total_due, 2, ',', '.'); ?> €</span>
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</p>
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<?php if (empty($penalties_data)): ?>
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<div class="alert alert-info text-center" role="alert">
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Bisher wurden keine Strafen verzeichnet.
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</div>
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<?php else: ?>
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<div class="table-responsive">
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<table class="table table-striped table-hover">
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<thead>
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<tr>
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<th>Benutzer</th>
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<th>Anzahl Strafen</th>
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<th>Fälliger Betrag</th>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($penalties_data as $penalty): ?>
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<tr>
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<td><?= htmlspecialchars($penalty['username']); ?></td>
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<td><?= htmlspecialchars($penalty['penalty_count']); ?></td>
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<td><?= number_format($penalty['penalty_count'] * $penalty_amount, 2, ',', '.'); ?> €</td>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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</div>
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<?php endif; ?>
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</div>
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</div>
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---
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<div class="card shadow mb-4">
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<div class="card-header bg-secondary bg-opacity-50 text-secondary">
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<h4 class="mb-0">Gesamt-Statistiken (Alle Zeiten)</h4>
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</div>
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<div class="card-body">
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<h5 class="card-title">Häufigkeit der gewählten Farben</h5>
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<canvas id="colorChart" class="mb-4"></canvas>
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<h5 class="card-title">Teilnahme-Ranking</h5>
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<canvas id="participationChart"></canvas>
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</div>
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</div>
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</div>
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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<script>
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document.addEventListener('DOMContentLoaded', function() {
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// Daten für Farbhäufigkeits-Diagramm
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const colorData = {
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labels: <?= json_encode(array_column($color_stats, 'name')); ?>,
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datasets: [{
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label: 'Anzahl Treffen',
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data: <?= json_encode(array_column($color_stats, 'meeting_count')); ?>,
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backgroundColor: <?= json_encode(array_column($color_stats, 'hex_code')); ?>,
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borderColor: 'rgba(0, 0, 0, 0.1)',
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borderWidth: 1
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}]
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};
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const colorConfig = {
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type: 'pie',
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data: colorData,
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options: {
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responsive: true,
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plugins: {
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legend: {
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position: 'top',
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},
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title: {
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display: true,
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text: 'Verteilung der Farbwahl über alle Treffen'
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}
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}
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}
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};
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new Chart(
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document.getElementById('colorChart'),
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colorConfig
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);
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// Daten für Teilnahme-Diagramm
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const participationData = {
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labels: <?= json_encode(array_column($participation_stats, 'username')); ?>,
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datasets: [{
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label: 'Anzahl Teilnahmen',
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data: <?= json_encode(array_column($participation_stats, 'total_attendance')); ?>,
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backgroundColor: 'rgba(54, 162, 235, 0.8)',
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borderColor: 'rgb(54, 162, 235)',
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borderWidth: 1
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}]
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};
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const participationConfig = {
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type: 'bar',
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data: participationData,
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options: {
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indexAxis: 'y',
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responsive: true,
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plugins: {
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legend: {
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display: false
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},
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title: {
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display: true,
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text: 'Anzahl der Teilnahmen pro Benutzer'
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}
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},
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scales: {
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x: {
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beginAtZero: true
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}
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}
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}
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};
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new Chart(
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document.getElementById('participationChart'),
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participationConfig
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);
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});
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</script>
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<?php include('inc/footer.php'); ?>
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