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module_regression.php
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module_regression.php
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<?php
include "connection.php";
?>
<!DOCTYPE html>
<html>
<head>
<title></title>
<!-- meta settings -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="author" content="Riznel Baldazo">
<!-- libraries -->
<script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<link rel="stylesheet" type="text/css" href="w3.css?v=<?php echo time(); ?>">
<link rel="stylesheet" type="text/css" href="riz.css?v=<?php echo time(); ?>">
</head>
<body>
<div class="container-fluid">
<div class="row">
<!-- ---------------------- Navigation Bar ---------------------------- -->
<div class="col-md-1" style="height: 100vh;">
<div style="width: 60px; height: 100vh; background: linear-gradient(240deg, rgba(255,255,255,0) 0%, rgba(61,202,255,0.14609593837535018) 30%, rgba(51,199,255,0.3477766106442577) 40%, rgba(41,196,255,0.6110819327731092) 50%, rgba(18,190,255,1) 69%, rgba(37,181,236,1) 70%, rgba(13,142,176,1) 90%, rgba(10,96,124,1) 100%); float: left; position: fixed; left: 0;">
<center>
<div style="margin-top: 50px;">
<button data-toggle="modal" data-target="#logout_modal" style="border: none; background-color: transparent; margin-top: 20px;">
<i class="material-icons riz-nav-inactive" style="font-size:24px;">arrow_back</i>
</button>
<button onclick="window.location.href='/ground_griffin/module_frequency_distribution.php'" style="border: none; background-color: transparent; margin-top: 20px;">
<i class="material-icons riz-nav-inactive" style="font-size:24px;">group</i>
</button>
<div style="border: none; background-color: transparent; margin-top: 20px;">
<i class="material-icons riz-nav-active" style="font-size:24px;">trending_up</i>
</div>
</div>
</center>
</div>
</div>
<div id="logout_modal" class="modal fade" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
</div>
<div class="modal-body">
<center>
<div>Continue to logout?</div>
<br/>
<button style="width: 100px;" class="btn btn-info" onclick="window.location.href='/ground_griffin/index.php'">Yes</button>
</center>
</div>
</div>
</div>
</div>
<!-- ---------------------------- Body ---------------------------- -->
<div class="col-md-11 m-0">
<div class="w3-card" style="padding: 16px 24px; margin-top: 20px; width: 300px;">
<div>Years Covered: <span id="years_covered"> 2020 to 2024 <span></div>
</div>
<div class="w3-card" style="padding: 16px 24px; margin-top: 20px; width: 900px;">
<canvas id="regression_canvas"></canvas>
</div>
<script type="text/javascript">
$(document).ready(function() {
$.post("dataconnect_regression.php", {
},
function(data) {
data = JSON.parse(data);
var ethnic_diversity = data[0];
var count_impact = data[1];
// mean of X
var sum_eth_div = 0;
for (eth_div of ethnic_diversity) {
sum_eth_div += eth_div;
}
var mean_eth_div = sum_eth_div/ethnic_diversity.length;
// mean of Y
var sum_cnt_imp = 0;
for (cnt_imp of count_impact) {
sum_cnt_imp += cnt_imp;
}
var mean_cnt_imp = sum_cnt_imp/count_impact.length;
// number of values
var n = ethnic_diversity.length;
// calculating slope and y-intercept
var numer = 0;
var denom = 0;
for (i = 0; i < n; i++) {
numer += (ethnic_diversity[i] - mean_eth_div) * (count_impact[i] - mean_cnt_imp);
denom += (ethnic_diversity[i] - mean_eth_div) ** 2;
}
var slope = numer / denom;
var intercept = mean_cnt_imp - (slope * mean_eth_div);
var regression_canvas = document.getElementById("regression_canvas").getContext("2d");
var regression_chart = new Chart(regression_canvas, {
type: "scatter",
data: {
datasets: [{
backgroundColor: "#448AFF",
borderColor: "#448AFF",
label: "data points",
data: [{
x: ethnic_diversity[0],
y: count_impact[0]
}, {
x: ethnic_diversity[1],
y: count_impact[1]
}, {
x: ethnic_diversity[2],
y: count_impact[2]
}, {
x: ethnic_diversity[3],
y: count_impact[3]
}, {
x: ethnic_diversity[4],
y: count_impact[4]
}]
},{
borderColor: "#B0BEC5",
radius: 0,
backgroundColor: "rgba(0,0,0,0)",
showLine: true,
label: "line of best fit",
type: "line",
data: [{
x: 51.90,
y: 20000
}, {
x: 33.63,
y: 25000
}, {
x: 15.37,
y: 30000
}, {
x: -2.90,
y: 35000
}]
}
]}
});
}
);
});
</script>
<!-- end of col-11 -->
</div>
</div>
</div>
</body>