This is a snapshot of the Reading Rainbow Kickstarter Campaign as of 9:07 PM MDT on May 30th, 2014.
Using a simple bar chart using D3.js, you can quickly see where most of the backers cluster.
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August 29, 2015 14:02
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Reading Rainbow Kickstarter Backers by Pledge at 9:07 PM, Friday, May 30, 2014 (MDT)
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| Pledge | Backers | |
|---|---|---|
| 5 | 13360 | |
| 10 | 9374 | |
| 25 | 5925 | |
| 35 | 4049 | |
| 50 | 16595 | |
| 75 | 2826 | |
| 100 | 2618 | |
| 110 | 750 | |
| 125 | 757 | |
| 175 | 224 | |
| 200 | 1380 | |
| 250 | 600 | |
| 350 | 100 | |
| 375 | 192 | |
| 400 | 126 | |
| 600 | 30 | |
| 700 | 1 | |
| 750 | 43 | |
| 800 | 34 | |
| 1500 | 9 | |
| 2500 | 10 | |
| 3000 | 1 | |
| 3500 | 10 | |
| 5000 | 5 | |
| 10000 | 6 |
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| <!Doctype html> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .bar { | |
| fill: steelblue; | |
| } | |
| .x.axis path { | |
| display: none; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script type="text/javascript"> | |
| var margin = {top: 20, right: 30, bottom: 30, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var x = d3.scale.ordinal() | |
| .rangeRoundBands([0, width], .1, .2); | |
| var y = d3.scale.linear() | |
| .range([height, 0]).clamp(true).nice(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| d3.csv("backers.csv", | |
| function(d) { | |
| return { | |
| Backers : +d.Backers, | |
| Pledge : +d.Pledge | |
| }; | |
| }, | |
| function(error,data) { | |
| var max = d3.max(data, function(d) { return d.Backers; }); | |
| var min = d3.min(data, function(d) { return d.Backers; }); | |
| x.domain(data.map(function(d) { return d.Pledge; })); | |
| y.domain([min,max]); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.svg.axis().scale(x).orient("bottom")); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(d3.svg.axis().scale(y).orient("left").ticks(20).tickFormat(d3.format("d"))); | |
| svg.selectAll(".bar") | |
| .data(data) | |
| .enter().append("rect") | |
| .attr("class", "bar") | |
| .attr("x", function(d) { return x(d.Pledge); }) | |
| .attr("width", x.rangeBand()) | |
| .attr("y", function(d) { return y(d.Backers); }) | |
| .attr("height", function(d) { return height - y(d.Backers); }); | |
| }); | |
| </script> |
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