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			151 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			HTML
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			151 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			HTML
		
	
	
		
			Executable File
		
	
	
	
	
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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	<title>Flot Examples: Error Bars</title>
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	<link href="../examples.css" rel="stylesheet" type="text/css">
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	<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../../excanvas.min.js"></script><![endif]-->
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	<script language="javascript" type="text/javascript" src="../../jquery.js"></script>
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	<script language="javascript" type="text/javascript" src="../../jquery.flot.js"></script>
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	<script language="javascript" type="text/javascript" src="../../jquery.flot.errorbars.js"></script>
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	<script language="javascript" type="text/javascript" src="../../jquery.flot.navigate.js"></script>
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	<script type="text/javascript">
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	$(function() {
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		function drawArrow(ctx, x, y, radius){
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			ctx.beginPath();
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			ctx.moveTo(x + radius, y + radius);
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			ctx.lineTo(x, y);
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			ctx.lineTo(x - radius, y + radius);
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			ctx.stroke();
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		}
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		function drawSemiCircle(ctx, x, y, radius){
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			ctx.beginPath();
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			ctx.arc(x, y, radius, 0, Math.PI, false);
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			ctx.moveTo(x - radius, y);
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			ctx.lineTo(x + radius, y);
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			ctx.stroke();
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		}
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		var data1 = [
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			[1,1,.5,.1,.3],
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			[2,2,.3,.5,.2],
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			[3,3,.9,.5,.2],
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			[1.5,-.05,.5,.1,.3],
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			[3.15,1.,.5,.1,.3],
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			[2.5,-1.,.5,.1,.3]
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		];
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		var data1_points = {
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			show: true,
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			radius: 5,
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			fillColor: "blue", 
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			errorbars: "xy", 
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			xerr: {show: true, asymmetric: true, upperCap: "-", lowerCap: "-"}, 
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			yerr: {show: true, color: "red", upperCap: "-"}
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		};
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		var data2 = [
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			[.7,3,.2,.4],
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			[1.5,2.2,.3,.4],
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			[2.3,1,.5,.2]
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		];
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		var data2_points = {
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			show: true,
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			radius: 5,
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			errorbars: "y", 
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			yerr: {show:true, asymmetric:true, upperCap: drawArrow, lowerCap: drawSemiCircle}
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		};
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		var data3 = [
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			[1,2,.4],
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			[2,0.5,.3],
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			[2.7,2,.5]
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		];
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		var data3_points = {
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			//do not show points
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			radius: 0,
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			errorbars: "y", 
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			yerr: {show:true, upperCap: "-", lowerCap: "-", radius: 5}
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		};
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		var data4 = [
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			[1.3, 1],
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			[1.75, 2.5],
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			[2.5, 0.5]
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		];
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		var data4_errors = [0.1, 0.4, 0.2];
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		for (var i = 0; i < data4.length; i++) {
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			data4_errors[i] = data4[i].concat(data4_errors[i])
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		}
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		var data = [
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			{color: "blue", points: data1_points, data: data1, label: "data1"}, 
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			{color: "red",  points: data2_points, data: data2, label: "data2"},
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			{color: "green", lines: {show: true}, points: data3_points, data: data3, label: "data3"},
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			// bars with errors
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			{color: "orange", bars: {show: true, align: "center", barWidth: 0.25}, data: data4, label: "data4"},
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			{color: "orange", points: data3_points, data: data4_errors}
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		];
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		$.plot($("#placeholder"), data , {
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			legend: {
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				position: "sw",
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				show: true
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			},
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			series: {
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				lines: {
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					show: false
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				}
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			},
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			xaxis: {
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				min: 0.6,
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				max: 3.1
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			},
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			yaxis: {
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				min: 0,
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				max: 3.5
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			},
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			zoom: {
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				interactive: true
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			},
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			pan: {
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				interactive: true
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			}
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		});
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		// Add the Flot version string to the footer
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		$("#footer").prepend("Flot " + $.plot.version + " – ");
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	});
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	</script>
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</head>
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<body>
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	<div id="header">
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		<h2>Error Bars</h2>
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	</div>
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	<div id="content">
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		<div class="demo-container">
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			<div id="placeholder" class="demo-placeholder"></div>
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		</div>
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		<p>With the errorbars plugin you can plot error bars to show standard deviation and other useful statistical properties.</p>
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	</div>
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	<div id="footer">
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		Copyright © 2007 - 2014 IOLA and Ole Laursen
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	</div>
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</body>
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</html>
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