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Metricsgraphics histogram #2

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Metricsgraphics histogram #2

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3e783f9
Fix metricsgraphics barchar example
Feb 9, 2017
855e48f
Add histogram examples
Feb 9, 2017
12edd35
Fix binned histogram
Feb 10, 2017
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2 changes: 1 addition & 1 deletion spikes/metricsgraphicjs/3_2_barchart.html
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
<div id="academy-awards"></div>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script>
<script src="https://d3js.org/d3.v4.min.js" charset='utf-8'></script>
<script type="text/javascript" src="lib/dist/metricsgraphics.js"></script>
<script type="text/javascript" src="lib/dist/metricsgraphics.min.js"></script>
<script type="text/javascript">
var data = [
{movie: "Annie Hall", oscars: 5},
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74 changes: 74 additions & 0 deletions spikes/metricsgraphicjs/3_3_histogram.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
<!doctype html>

<html>
<head>
<link href='lib/dist/metricsgraphics.css' rel='stylesheet' type='text/css'>
</head>

<body>
<label>Non Binned</label>
<div id="grade-distribution-nonbinned"></div>

<label>Binned</label>
<div id="grade-distribution-binned"></div>

<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script>
<script src="https://d3js.org/d3.v4.min.js" charset='utf-8'></script>
<script type="text/javascript" src="lib/dist/metricsgraphics.min.js"></script>
<script type="text/javascript">
var grades = [83,95,91,87,70,0,85,82,100,67,73,77,0]

let step = 10;

MG.data_graphic({
title: "Distribution of Exame 1 Grades",
description: "Non binned",
binned: false,
chart_type: 'histogram',
max_x: 100,
bins: step,
data: grades,
width: 650,
height: 300,
y_extended_ticks: true,
target: '#grade-distribution-nonbinned'
});

let sorted_grades = grades.sort();
let start = Math.floor(grades[0]/step) * 10;
let end = Math.ceil(grades[grades.length - 1] / step) * step;

let histogram = {}
for(let i of Array((end / step)).keys()) {
histogram[i * step] = 0;
}

histogram = grades.reduce((acc, value) => {
var rounded = Math.floor(value / 10) * 10;
if(rounded == end) {acc[rounded - step]++;}
else { acc[rounded]++; }

return acc;
}, histogram);

histogram = Object.keys(histogram)
.map((x) => {return { value: x, count: histogram[x] }});

MG.data_graphic({
title: "Distribution of Exame 1 Grades",
description: "Non binned",
binned: true,
chart_type: 'histogram',
max_x: 100,
bins: 10,
data: histogram,
width: 650,
height: 300,
y_extended_ticks: true,
target: '#grade-distribution-binned',
x_accessor: 'value',
y_accessor: 'count'
});
</script>
</body>
</html>
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