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index.php
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<?php
require ('RegresiLinier.php');
$x = [
2000,
2001,
2002,
2003,
2004,
2005,
2006,
2007,
2008,
2009
];
$y = [
45,
48,
51,
51,
52,
54,
61,
67,
69,
70
];
$regresi = new RegresiLinier($x, $y);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Latihan Regresi Linier</title>
<script src="Chart.min.js"></script>
</head>
<body>
<?php
//contoh menampilkan data regresi linear
echo "<textarea style='width:100%; height:300px; '>";
echo "X Variable : \n";
print_r($x);
echo "</textarea>";
echo "<textarea style='width:100%; height:300px; '>";
echo "Y Variable : \n";
print_r($y);
echo "</textarea>";
echo "<textarea style='width:100%; height:300px; '>";
echo "Hasil Analisis Regresi Linear Sederhana : \n";
print_r($regresi->all);
echo "</textarea>";
?>
<br>
<h3>Penerapan RegresiLinearPHP dengan ChartJS</h3>
<canvas id="graph" width=500 height="150"></canvas>
<script>
ctx = document.getElementById('graph');
var chart = new Chart(ctx, {
type : 'line',
data: {
labels: [<?=implode(",",$x)?>],
datasets: [
{
label: 'Realisasi Kehadiran',
data: [<?=implode(",", $y)?>],
backgroundColor: 'rgba(12, 199, 132, 0.2)',
borderWidth: 1
},
{
label: 'Regresi Linier',
data: [<?=implode(",", $regresi->all)?>],
backgroundColor: 'rgba(255, 99, 132, 0.2)',
borderWidth: 1
},
]
}
});
</script>
</body>
</html>