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<title>Flot Examples</title>
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<h1>Flot Examples</h1>
<div id="placeholder" style="width:600px;height:400px;"></div>
<p>With the errorbars plugin you can plot error bars to show standard deviation and other useful statistical properties.</p>
<script type="text/javascript" language="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();
}
//data1
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: "-"}
};
//data2
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}
};
//data3
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}
};
//data4
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])
//plot
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}];
var options = {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}
};
$.plot($("#placeholder"), data , options);
});
</script>
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