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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <title>Flot Examples: Error Bars</title>
+ <link href="../examples.css" rel="stylesheet" type="text/css">
+ <!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../../excanvas.min.js"></script><![endif]-->
+ <script language="javascript" type="text/javascript" src="../../jquery.js"></script>
+ <script language="javascript" type="text/javascript" src="../../jquery.flot.js"></script>
+ <script language="javascript" type="text/javascript" src="../../jquery.flot.errorbars.js"></script>
+ <script language="javascript" type="text/javascript" src="../../jquery.flot.navigate.js"></script>
+ <script type="text/javascript">
+
+ $(function() {
+
+ function drawArrow(ctx, x, y, radius){
+ ctx.beginPath();
+ ctx.moveTo(x + radius, y + radius);
+ ctx.lineTo(x, y);
+ ctx.lineTo(x - radius, y + radius);
+ ctx.stroke();
+ }
+
+ function drawSemiCircle(ctx, x, y, radius){
+ ctx.beginPath();
+ ctx.arc(x, y, radius, 0, Math.PI, false);
+ ctx.moveTo(x - radius, y);
+ ctx.lineTo(x + radius, y);
+ ctx.stroke();
+ }
+
+ var data1 = [
+ [1,1,.5,.1,.3],
+ [2,2,.3,.5,.2],
+ [3,3,.9,.5,.2],
+ [1.5,-.05,.5,.1,.3],
+ [3.15,1.,.5,.1,.3],
+ [2.5,-1.,.5,.1,.3]
+ ];
+
+ var data1_points = {
+ show: true,
+ radius: 5,
+ fillColor: "blue",
+ errorbars: "xy",
+ xerr: {show: true, asymmetric: true, upperCap: "-", lowerCap: "-"},
+ yerr: {show: true, color: "red", upperCap: "-"}
+ };
+
+ var data2 = [
+ [.7,3,.2,.4],
+ [1.5,2.2,.3,.4],
+ [2.3,1,.5,.2]
+ ];
+
+ var data2_points = {
+ show: true,
+ radius: 5,
+ errorbars: "y",
+ yerr: {show:true, asymmetric:true, upperCap: drawArrow, lowerCap: drawSemiCircle}
+ };
+
+ var data3 = [
+ [1,2,.4],
+ [2,0.5,.3],
+ [2.7,2,.5]
+ ];
+
+ var data3_points = {
+ //do not show points
+ radius: 0,
+ errorbars: "y",
+ yerr: {show:true, upperCap: "-", lowerCap: "-", radius: 5}
+ };
+
+ var data4 = [
+ [1.3, 1],
+ [1.75, 2.5],
+ [2.5, 0.5]
+ ];
+
+ var data4_errors = [0.1, 0.4, 0.2];
+ for (var i = 0; i < data4.length; i++) {
+ data4_errors[i] = data4[i].concat(data4_errors[i])
+ }
+
+ var data = [
+ {color: "blue", points: data1_points, data: data1, label: "data1"},
+ {color: "red", points: data2_points, data: data2, label: "data2"},
+ {color: "green", lines: {show: true}, points: data3_points, data: data3, label: "data3"},
+ // bars with errors
+ {color: "orange", bars: {show: true, align: "center", barWidth: 0.25}, data: data4, label: "data4"},
+ {color: "orange", points: data3_points, data: data4_errors}
+ ];
+
+ $.plot($("#placeholder"), data , {
+ legend: {
+ position: "sw",
+ show: true
+ },
+ series: {
+ lines: {
+ show: false
+ }
+ },
+ xaxis: {
+ min: 0.6,
+ max: 3.1
+ },
+ yaxis: {
+ min: 0,
+ max: 3.5
+ },
+ zoom: {
+ interactive: true
+ },
+ pan: {
+ interactive: true
+ }
+ });
+
+ // Add the Flot version string to the footer
+
+ $("#footer").prepend("Flot " + $.plot.version + " &ndash; ");
+ });
+
+ </script>
+</head>
+<body>
+
+ <div id="header">
+ <h2>Error Bars</h2>
+ </div>
+
+ <div id="content">
+
+ <div class="demo-container">
+ <div id="placeholder" class="demo-placeholder"></div>
+ </div>
+
+ <p>With the errorbars plugin you can plot error bars to show standard deviation and other useful statistical properties.</p>
+
+ </div>
+
+ <div id="footer">
+ Copyright &copy; 2007 - 2013 IOLA and Ole Laursen
+ </div>
+
+</body>
+</html>