--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/box/box.js Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,68 @@
+var w = 120,
+ h = 500,
+ m = [10, 50, 20, 50], // top right bottom left
+ min = Infinity,
+ max = -Infinity;
+
+var chart = d3.chart.box()
+ .whiskers(iqr(1.5))
+ .width(w - m[1] - m[3])
+ .height(h - m[0] - m[2]);
+
+d3.csv("../data/morley.csv", function(csv) {
+ var data = [];
+
+ csv.forEach(function(x) {
+ var e = ~~x.Expt - 1,
+ r = ~~x.Run - 1,
+ s = ~~x.Speed,
+ d = data[e];
+ if (!d) d = data[e] = [s];
+ else d.push(s);
+ if (s > max) max = s;
+ if (s < min) min = s;
+ });
+
+ chart.domain([min, max]);
+
+ var vis = d3.select("#chart").selectAll("svg")
+ .data(data)
+ .enter().append("svg:svg")
+ .attr("class", "box")
+ .attr("width", w)
+ .attr("height", h)
+ .append("svg:g")
+ .attr("transform", "translate(" + m[3] + "," + m[0] + ")")
+ .call(chart);
+
+ chart.duration(1000);
+ window.transition = function() {
+ vis.map(randomize).call(chart);
+ };
+});
+
+function randomize(d) {
+ if (!d.randomizer) d.randomizer = randomizer(d);
+ return d.map(d.randomizer);
+}
+
+function randomizer(d) {
+ var k = d3.max(d) * .02;
+ return function(d) {
+ return Math.max(min, Math.min(max, d + k * (Math.random() - .5)));
+ };
+}
+
+// Returns a function to compute the interquartile range.
+function iqr(k) {
+ return function(d, i) {
+ var q1 = d.quartiles[0],
+ q3 = d.quartiles[2],
+ iqr = (q3 - q1) * k,
+ i = -1,
+ j = d.length;
+ while (d[++i] < q1 - iqr);
+ while (d[--j] > q3 + iqr);
+ return [i, j];
+ };
+}