C3.js pie chart

Pie chart with the C3.js adapter

HTML

<script src="https://d26b395fwzu5fz.cloudfront.net/3.4.0/keen.min.js?date=2016-02-17"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/c3/0.4.10/c3.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/c3/0.4.10/c3.min.js"></script>
<div id="chart"></div>

JavaScript

var client = new Keen({
  projectId: "53eab6e12481962467000000",
  readKey: "d1b97982ce67ad4b411af30e53dd75be6cf610213c35f3bd3dd2ef62eaeac14632164890413e2cc2df2e489da88e87430af43628b0c9e0b2870d0a70580d5f5fe8d9ba2a6d56f9448a3b6f62a5e6cdd1be435c227253fbe3fab27beb0d14f91b710d9a6e657ecf47775281abc17ec455"
});

Keen.ready(function() {
  var el = document.getElementById("chart");
  var query = new Keen.Query("count", {
    eventCollection: "user_action",
    groupBy: "offline",
    timeframe: {
      start: "2013-12-01",
      end: "2015-02-01"
    }
  });
  client.draw(query, el, {
    library: "c3",
    chartType: "pie",
    height: 400
  });
});