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<title>RGraph: HTML5 Javascript charts library - scatter charts</title>
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window.onload = function ()
{
var data = [
[10,15,'red'],[13,16,'red'],[12,11,'red'],[15,16,'red'],[20,19,'red'],[19,16,'red'],[13,15,'red'],[11,12,'red'],[13,16,'red'],[5,19,'red'],[16,15,'red'],[13,15,'red'],[14,14,'red'],[12,12,'red'],
[5,4,'green'],[6,14,'green'],[19,12,'green'],[3,5,'green'],[1,16,'green'],[13,5,'green'],[15,15,'green'],[13,5,'green'],[4,9,'green'],[16,6,'green'],[13,18,'green'],[18,12,'green'],[19,18,'green'],[13,16,'green'],[15,14,'green'],
[12,4,'blue'],[4,23,'blue'],[13,8,'blue'],[12,12,'blue'],[18,4,'blue'],[4,18,'blue'],[11,2,'blue'],[4,3,'blue'],[5,8,'blue'],[1,9,'blue'],[4,6,'blue'],[16,8,'blue'],[17,8,'blue'],[19,9,'blue'],[13,5,'blue'],[16,21,'blue'],
[12,4],[13,12],[11,16],[4,19],[4,3],[5,6],[1,9],[4,12],[6,12],[8,8],[16,6],[13,5],[15,13],[23,23,'red'], [1,1, 'gray'],
[1,4,'gray'], [2,3,'gray'], [1,6,'gray'], [2,3,'gray'], [2,5,'gray'], [3,7,'gray'], [1,4,'gray'], [2,7,'gray']
];
var scatter1 = new RGraph.Scatter('scatter1', data);
scatter1.Set('chart.ylabels.count', 10);
scatter1.Set('chart.background.hbars', [[0,null,'rgba(0,255,0,0.3)']]);
scatter1.Set('chart.background.grid.autofit.numhlines', 10);
scatter1.Set('chart.background.grid.autofit.numvlines', 28);
scatter1.Set('chart.labels', [['Week 1', 0], ['Week 2', 7], ['Week 3', 14], ['Week 4', 21]]);
scatter1.Set('chart.labels.specific.align', 'center');
scatter1.Set('chart.xmax', 28); // Necessary
scatter1.Set('chart.defaultcolor', 'black'); // Optional
scatter1.Set('chart.title', 'This months sales');
scatter1.Set('chart.gutter.left', 40);
scatter1.Set('chart.tickmarks', 'square');
scatter1.Set('chart.ticksize', 4);
scatter1.Set('chart.ymax', 30);
scatter1.Set('chart.units.pre', '$');
scatter1.Set('chart.line.colors', ['red','blue','black']);
scatter1.Set('chart.key', ['Bob','Fred','Gaz']);
scatter1.Draw();
var scatter2 = new RGraph.Scatter('scatter2', [[10,[21,22,26,31,35, 'red', 'green',35], 'red', 'A tooltip'],[250,45, 'red', 'A fourth tooltip']],
[[50,[5,22,26,31,35, '#000', '#000'], '#000', 'A second tooltip'],[150,45, 'blue', 'A third tooltip']] // Dataset 2
);
scatter2.Set('chart.title', 'A Scatter chart boxplot');
scatter2.Set('chart.boxplot.capped', false);
scatter2.Set('chart.labels', ['Q1', 'Q2', 'Q3', 'Q4']);
scatter2.Set('chart.xmax', 365);
scatter2.Set('chart.ymax', 50);
scatter2.Set('chart.boxplot.width', 12); // The default width
//scatter2.Set('chart.background.vbars', [[182.5, 91.125, 'rgba(0,255,0,0.5)']]);
scatter2.Set('chart.ylabels.inside', true);
scatter2.Set('chart.yaxispos', 'left');
scatter2.Draw();
}
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<a href="../index.html">RGraph: HTML5 Javascript charts library</a>
>
<a href="./index.html">Examples</a>
>
Scatter charts
</div>
<h1>RGraph: <span>HTML5 Javascript charts library</span> - Scatter charts</h1>
<script>
if (RGraph.isIE8()) {
document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag.</div>');
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<p>
Scatter charts use two variables to plot points and makes it clear where there are congregations. The data points
make up the X and Y coordinates. The labels on the X axis are separate from the X units, allowing you to "group" them. For
example, like the example, you could set the maxium X value to be 365, but only have four labels. That way you would
have a granularity of a day, but the X axis would only have four labels. Like the example.
</p>
<div>
<ul>
<li><a href="../docs/scatter.html">Scatter charts API documentation</a></li>
</ul>
</div>
<canvas id="scatter1" width="450" height="200">[No canvas support]</canvas>
<canvas id="scatter2" width="450" height="200">[No canvas support]</canvas>
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