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(function(){d3.chart = {};
// Inspired by http://informationandvisualization.de/blog/box-plot
d3.chart.box = function() {
var width = 1,
height = 1,
duration = 0,
domain = null,
value = Number,
whiskers = d3_chart_boxWhiskers,
quartiles = d3_chart_boxQuartiles,
tickFormat = null;
// For each small multiple…
function box(g) {
g.each(function(d, i) {
d = d.map(value).sort(d3.ascending);
var g = d3.select(this),
n = d.length,
min = d[0],
max = d[n - 1];
// Compute quartiles. Must return exactly 3 elements.
var quartileData = d.quartiles = quartiles(d);
// Compute whiskers. Must return exactly 2 elements, or null.
var whiskerIndices = whiskers && whiskers.call(this, d, i),
whiskerData = whiskerIndices && whiskerIndices.map(function(i) { return d[i]; });
// Compute outliers. If no whiskers are specified, all data are "outliers".
// We compute the outliers as indices, so that we can join across transitions!
var outlierIndices = whiskerIndices
? d3.range(0, whiskerIndices[0]).concat(d3.range(whiskerIndices[1] + 1, n))
: d3.range(n);
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain(domain && domain.call(this, d, i) || [min, max])
.range([height, 0]);
// Retrieve the old x-scale, if this is an update.
var x0 = this.__chart__ || d3.scale.linear()
.domain([0, Infinity])
.range(x1.range());
// Stash the new scale.
this.__chart__ = x1;
// Note: the box, median, and box tick elements are fixed in number,
// so we only have to handle enter and update. In contrast, the outliers
// and other elements are variable, so we need to exit them! Variable
// elements also fade in and out.
// Update center line: the vertical line spanning the whiskers.
var center = g.selectAll("line.center")
.data(whiskerData ? [whiskerData] : []);
center.enter().insert("svg:line", "rect")
.attr("class", "center")
.attr("x1", width / 2)
.attr("y1", function(d) { return x0(d[0]); })
.attr("x2", width / 2)
.attr("y2", function(d) { return x0(d[1]); })
.style("opacity", 1e-6)
.transition()
.duration(duration)
.style("opacity", 1)
.attr("y1", function(d) { return x1(d[0]); })
.attr("y2", function(d) { return x1(d[1]); });
center.transition()
.duration(duration)
.style("opacity", 1)
.attr("y1", function(d) { return x1(d[0]); })
.attr("y2", function(d) { return x1(d[1]); });
center.exit().transition()
.duration(duration)
.style("opacity", 1e-6)
.attr("y1", function(d) { return x1(d[0]); })
.attr("y2", function(d) { return x1(d[1]); })
.remove();
// Update innerquartile box.
var box = g.selectAll("rect.box")
.data([quartileData]);
box.enter().append("svg:rect")
.attr("class", "box")
.attr("x", 0)
.attr("y", function(d) { return x0(d[2]); })
.attr("width", width)
.attr("height", function(d) { return x0(d[0]) - x0(d[2]); })
.transition()
.duration(duration)
.attr("y", function(d) { return x1(d[2]); })
.attr("height", function(d) { return x1(d[0]) - x1(d[2]); });
box.transition()
.duration(duration)
.attr("y", function(d) { return x1(d[2]); })
.attr("height", function(d) { return x1(d[0]) - x1(d[2]); });
// Update median line.
var medianLine = g.selectAll("line.median")
.data([quartileData[1]]);
medianLine.enter().append("svg:line")
.attr("class", "median")
.attr("x1", 0)
.attr("y1", x0)
.attr("x2", width)
.attr("y2", x0)
.transition()
.duration(duration)
.attr("y1", x1)
.attr("y2", x1);
medianLine.transition()
.duration(duration)
.attr("y1", x1)
.attr("y2", x1);
// Update whiskers.
var whisker = g.selectAll("line.whisker")
.data(whiskerData || []);
whisker.enter().insert("svg:line", "circle, text")
.attr("class", "whisker")
.attr("x1", 0)
.attr("y1", x0)
.attr("x2", width)
.attr("y2", x0)
.style("opacity", 1e-6)
.transition()
.duration(duration)
.attr("y1", x1)
.attr("y2", x1)
.style("opacity", 1);
whisker.transition()
.duration(duration)
.attr("y1", x1)
.attr("y2", x1)
.style("opacity", 1);
whisker.exit().transition()
.duration(duration)
.attr("y1", x1)
.attr("y2", x1)
.style("opacity", 1e-6)
.remove();
// Update outliers.
var outlier = g.selectAll("circle.outlier")
.data(outlierIndices, Number);
outlier.enter().insert("svg:circle", "text")
.attr("class", "outlier")
.attr("r", 5)
.attr("cx", width / 2)
.attr("cy", function(i) { return x0(d[i]); })
.style("opacity", 1e-6)
.transition()
.duration(duration)
.attr("cy", function(i) { return x1(d[i]); })
.style("opacity", 1);
outlier.transition()
.duration(duration)
.attr("cy", function(i) { return x1(d[i]); })
.style("opacity", 1);
outlier.exit().transition()
.duration(duration)
.attr("cy", function(i) { return x1(d[i]); })
.style("opacity", 1e-6)
.remove();
// Compute the tick format.
var format = tickFormat || x1.tickFormat(8);
// Update box ticks.
var boxTick = g.selectAll("text.box")
.data(quartileData);
boxTick.enter().append("svg:text")
.attr("class", "box")
.attr("dy", ".3em")
.attr("dx", function(d, i) { return i & 1 ? 6 : -6 })
.attr("x", function(d, i) { return i & 1 ? width : 0 })
.attr("y", x0)
.attr("text-anchor", function(d, i) { return i & 1 ? "start" : "end"; })
.text(format)
.transition()
.duration(duration)
.attr("y", x1);
boxTick.transition()
.duration(duration)
.text(format)
.attr("y", x1);
// Update whisker ticks. These are handled separately from the box
// ticks because they may or may not exist, and we want don't want
// to join box ticks pre-transition with whisker ticks post-.
var whiskerTick = g.selectAll("text.whisker")
.data(whiskerData || []);
whiskerTick.enter().append("svg:text")
.attr("class", "whisker")
.attr("dy", ".3em")
.attr("dx", 6)
.attr("x", width)
.attr("y", x0)
.text(format)
.style("opacity", 1e-6)
.transition()
.duration(duration)
.attr("y", x1)
.style("opacity", 1);
whiskerTick.transition()
.duration(duration)
.text(format)
.attr("y", x1)
.style("opacity", 1);
whiskerTick.exit().transition()
.duration(duration)
.attr("y", x1)
.style("opacity", 1e-6)
.remove();
});
d3.timer.flush();
}
box.width = function(x) {
if (!arguments.length) return width;
width = x;
return box;
};
box.height = function(x) {
if (!arguments.length) return height;
height = x;
return box;
};
box.tickFormat = function(x) {
if (!arguments.length) return tickFormat;
tickFormat = x;
return box;
};
box.duration = function(x) {
if (!arguments.length) return duration;
duration = x;
return box;
};
box.domain = function(x) {
if (!arguments.length) return domain;
domain = x == null ? x : d3.functor(x);
return box;
};
box.value = function(x) {
if (!arguments.length) return value;
value = x;
return box;
};
box.whiskers = function(x) {
if (!arguments.length) return whiskers;
whiskers = x;
return box;
};
box.quartiles = function(x) {
if (!arguments.length) return quartiles;
quartiles = x;
return box;
};
return box;
};
function d3_chart_boxWhiskers(d) {
return [0, d.length - 1];
}
function d3_chart_boxQuartiles(d) {
return [
d3.quantile(d, .25),
d3.quantile(d, .5),
d3.quantile(d, .75)
];
}
// Chart design based on the recommendations of Stephen Few. Implementation
// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
// http://projects.instantcognition.com/protovis/bulletchart/
d3.chart.bullet = function() {
var orient = "left", // TODO top & bottom
reverse = false,
duration = 0,
ranges = d3_chart_bulletRanges,
markers = d3_chart_bulletMarkers,
measures = d3_chart_bulletMeasures,
width = 380,
height = 30,
tickFormat = null;
// For each small multiple…
function bullet(g) {
g.each(function(d, i) {
var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
markerz = markers.call(this, d, i).slice().sort(d3.descending),
measurez = measures.call(this, d, i).slice().sort(d3.descending),
g = d3.select(this);
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain([0, Math.max(rangez[0], markerz[0], measurez[0])])
.range(reverse ? [width, 0] : [0, width]);
// Retrieve the old x-scale, if this is an update.
var x0 = this.__chart__ || d3.scale.linear()
.domain([0, Infinity])
.range(x1.range());
// Stash the new scale.
this.__chart__ = x1;
// Derive width-scales from the x-scales.
var w0 = d3_chart_bulletWidth(x0),
w1 = d3_chart_bulletWidth(x1);
// Update the range rects.
var range = g.selectAll("rect.range")
.data(rangez);
range.enter().append("svg:rect")
.attr("class", function(d, i) { return "range s" + i; })
.attr("width", w0)
.attr("height", height)
.attr("x", reverse ? x0 : 0)
.transition()
.duration(duration)
.attr("width", w1)
.attr("x", reverse ? x1 : 0);
range.transition()
.duration(duration)
.attr("x", reverse ? x1 : 0)
.attr("width", w1)
.attr("height", height);
// Update the measure rects.
var measure = g.selectAll("rect.measure")
.data(measurez);
measure.enter().append("svg:rect")
.attr("class", function(d, i) { return "measure s" + i; })
.attr("width", w0)
.attr("height", height / 3)
.attr("x", reverse ? x0 : 0)
.attr("y", height / 3)
.transition()
.duration(duration)
.attr("width", w1)
.attr("x", reverse ? x1 : 0);
measure.transition()
.duration(duration)
.attr("width", w1)
.attr("height", height / 3)
.attr("x", reverse ? x1 : 0)
.attr("y", height / 3);
// Update the marker lines.
var marker = g.selectAll("line.marker")
.data(markerz);
marker.enter().append("svg:line")
.attr("class", "marker")
.attr("x1", x0)
.attr("x2", x0)
.attr("y1", height / 6)
.attr("y2", height * 5 / 6)
.transition()
.duration(duration)
.attr("x1", x1)
.attr("x2", x1);
marker.transition()
.duration(duration)
.attr("x1", x1)
.attr("x2", x1)
.attr("y1", height / 6)
.attr("y2", height * 5 / 6);
// Compute the tick format.
var format = tickFormat || x1.tickFormat(8);
// Update the tick groups.
var tick = g.selectAll("g.tick")
.data(x1.ticks(8), function(d) {
return this.textContent || format(d);
});
// Initialize the ticks with the old scale, x0.
var tickEnter = tick.enter().append("svg:g")
.attr("class", "tick")
.attr("transform", d3_chart_bulletTranslate(x0))
.style("opacity", 1e-6);
tickEnter.append("svg:line")
.attr("y1", height)
.attr("y2", height * 7 / 6);
tickEnter.append("svg:text")
.attr("text-anchor", "middle")
.attr("dy", "1em")
.attr("y", height * 7 / 6)
.text(format);
// Transition the entering ticks to the new scale, x1.
tickEnter.transition()
.duration(duration)
.attr("transform", d3_chart_bulletTranslate(x1))
.style("opacity", 1);
// Transition the updating ticks to the new scale, x1.
var tickUpdate = tick.transition()
.duration(duration)
.attr("transform", d3_chart_bulletTranslate(x1))
.style("opacity", 1);
tickUpdate.select("line")
.attr("y1", height)
.attr("y2", height * 7 / 6);
tickUpdate.select("text")
.attr("y", height * 7 / 6);
// Transition the exiting ticks to the new scale, x1.
tick.exit().transition()
.duration(duration)
.attr("transform", d3_chart_bulletTranslate(x1))
.style("opacity", 1e-6)
.remove();
});
d3.timer.flush();
}
// left, right, top, bottom
bullet.orient = function(x) {
if (!arguments.length) return orient;
orient = x;
reverse = orient == "right" || orient == "bottom";
return bullet;
};
// ranges (bad, satisfactory, good)
bullet.ranges = function(x) {
if (!arguments.length) return ranges;
ranges = x;
return bullet;
};
// markers (previous, goal)
bullet.markers = function(x) {
if (!arguments.length) return markers;
markers = x;
return bullet;
};
// measures (actual, forecast)
bullet.measures = function(x) {
if (!arguments.length) return measures;
measures = x;
return bullet;
};
bullet.width = function(x) {
if (!arguments.length) return width;
width = x;
return bullet;
};
bullet.height = function(x) {
if (!arguments.length) return height;
height = x;
return bullet;
};
bullet.tickFormat = function(x) {
if (!arguments.length) return tickFormat;
tickFormat = x;
return bullet;
};
bullet.duration = function(x) {
if (!arguments.length) return duration;
duration = x;
return bullet;
};
return bullet;
};
function d3_chart_bulletRanges(d) {
return d.ranges;
}
function d3_chart_bulletMarkers(d) {
return d.markers;
}
function d3_chart_bulletMeasures(d) {
return d.measures;
}
function d3_chart_bulletTranslate(x) {
return function(d) {
return "translate(" + x(d) + ",0)";
};
}
function d3_chart_bulletWidth(x) {
var x0 = x(0);
return function(d) {
return Math.abs(x(d) - x0);
};
}
// Implements a horizon layout, which is a variation of a single-series
// area chart where the area is folded into multiple bands. Color is used to
// encode band, allowing the size of the chart to be reduced significantly
// without impeding readability. This layout algorithm is based on the work of
// J. Heer, N. Kong and M. Agrawala in "Sizing the Horizon: The Effects of Chart
// Size and Layering on the Graphical Perception of Time Series Visualizations",
// CHI 2009. http://hci.stanford.edu/publications/2009/heer-horizon-chi09.pdf
d3.chart.horizon = function() {
var bands = 1, // between 1 and 5, typically
mode = "offset", // or mirror
interpolate = "linear", // or basis, monotone, step-before, etc.
x = d3_chart_horizonX,
y = d3_chart_horizonY,
w = 960,
h = 40,
duration = 0;
var color = d3.scale.linear()
.domain([-1, 0, 1])
.range(["#d62728", "#fff", "#1f77b4"]);
// For each small multiple…
function horizon(g) {
g.each(function(d, i) {
var g = d3.select(this),
n = 2 * bands + 1,
xMin = Infinity,
xMax = -Infinity,
yMax = -Infinity,
x0, // old x-scale
y0, // old y-scale
id; // unique id for paths
// Compute x- and y-values along with extents.
var data = d.map(function(d, i) {
var xv = x.call(this, d, i),
yv = y.call(this, d, i);
if (xv < xMin) xMin = xv;
if (xv > xMax) xMax = xv;
if (-yv > yMax) yMax = -yv;
if (yv > yMax) yMax = yv;
return [xv, yv];
});
// Compute the new x- and y-scales.
var x1 = d3.scale.linear().domain([xMin, xMax]).range([0, w]),
y1 = d3.scale.linear().domain([0, yMax]).range([0, h * bands]);
// Retrieve the old scales, if this is an update.
if (this.__chart__) {
x0 = this.__chart__.x;
y0 = this.__chart__.y;
id = this.__chart__.id;
} else {
x0 = d3.scale.linear().domain([0, Infinity]).range(x1.range());
y0 = d3.scale.linear().domain([0, Infinity]).range(y1.range());
id = ++d3_chart_horizonId;
}
// We'll use a defs to store the area path and the clip path.
var defs = g.selectAll("defs")
.data([data]);
var defsEnter = defs.enter().append("svg:defs");
// The clip path is a simple rect.
defsEnter.append("svg:clipPath")
.attr("id", "d3_chart_horizon_clip" + id)
.append("svg:rect")
.attr("width", w)
.attr("height", h);
defs.select("rect").transition()
.duration(duration)
.attr("width", w)
.attr("height", h);
// The area path is rendered with our resuable d3.svg.area.
defsEnter.append("svg:path")
.attr("id", "d3_chart_horizon_path" + id)
.attr("d", d3_chart_horizonArea
.interpolate(interpolate)
.x(function(d) { return x0(d[0]); })
.y0(h * bands)
.y1(function(d) { return h * bands - y0(d[1]); }))
.transition()
.duration(duration)
.attr("d", d3_chart_horizonArea
.x(function(d) { return x1(d[0]); })
.y1(function(d) { return h * bands - y1(d[1]); }));
defs.select("path").transition()
.duration(duration)
.attr("d", d3_chart_horizonArea);
// We'll use a container to clip all horizon layers at once.
g.selectAll("g")
.data([null])
.enter().append("svg:g")
.attr("clip-path", "url(#d3_chart_horizon_clip" + id + ")");
// Define the transform function based on the mode.
var transform = mode == "offset"
? function(d) { return "translate(0," + (d + (d < 0) - bands) * h + ")"; }
: function(d) { return (d < 0 ? "scale(1,-1)" : "") + "translate(0," + (d - bands) * h + ")"; };
// Instantiate each copy of the path with different transforms.
var u = g.select("g").selectAll("use")
.data(d3.range(-1, -bands - 1, -1).concat(d3.range(1, bands + 1)), Number);
// TODO don't fudge the enter transition
u.enter().append("svg:use")
.attr("xlink:href", "#d3_chart_horizon_path" + id)
.attr("transform", function(d) { return transform(d + (d > 0 ? 1 : -1)); })
.style("fill", color)
.transition()
.duration(duration)
.attr("transform", transform);
u.transition()
.duration(duration)
.attr("transform", transform)
.style("fill", color);
u.exit().transition()
.duration(duration)
.attr("transform", transform)
.remove();
// Stash the new scales.
this.__chart__ = {x: x1, y: y1, id: id};
});
d3.timer.flush();
}
horizon.duration = function(x) {
if (!arguments.length) return duration;
duration = +x;
return horizon;
};
horizon.bands = function(x) {
if (!arguments.length) return bands;
bands = +x;
color.domain([-bands, 0, bands]);
10BC8
return horizon;
};
horizon.mode = function(x) {
if (!arguments.length) return mode;
mode = x + "";
return horizon;
};
horizon.colors = function(x) {
if (!arguments.length) return color.range();
color.range(x);
return horizon;
};
horizon.interpolate = function(x) {
if (!arguments.length) return interpolate;
interpolate = x + "";
return horizon;
};
horizon.x = function(z) {
if (!arguments.length) return x;
x = z;
return horizon;
};
horizon.y = function(z) {
if (!arguments.length) return y;
y = z;
return horizon;
};
horizon.width = function(x) {
if (!arguments.length) return w;
w = +x;
return horizon;
};
horizon.height = function(x) {
if (!arguments.length) return h;
h = +x;
return horizon;
};
return horizon;
};
var d3_chart_horizonArea = d3.svg.area(),
d3_chart_horizonId = 0;
function d3_chart_horizonX(d) {
return d[0];
}
function d3_chart_horizonY(d) {
return d[1];
}
// Based on http://vis.stanford.edu/protovis/ex/qqplot.html
d3.chart.qq = function() {
var width = 1,
height = 1,
duration = 0,
domain = null,
tickFormat = null,
n = 100,
x = d3_chart_qqX,
y = d3_chart_qqY;
// For each small multiple…
function qq(g) {
g.each(function(d, i) {
var g = d3.select(this),
qx = d3_chart_qqQuantiles(n, x.call(this, d, i)),
qy = d3_chart_qqQuantiles(n, y.call(this, d, i)),
xd = domain && domain.call(this, d, i) || [d3.min(qx), d3.max(qx)], // new x-domain
yd = domain && domain.call(this, d, i) || [d3.min(qy), d3.max(qy)], // new y-domain
x0, // old x-scale
y0; // old y-scale
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain(xd)
.range([0, width]);
// Compute the new y-scale.
var y1 = d3.scale.linear()
.domain(yd)
.range([height, 0]);
// Retrieve the old scales, if this is an update.
if (this.__chart__) {
x0 = this.__chart__.x;
y0 = this.__chart__.y;
} else {
x0 = d3.scale.linear().domain([0, Infinity]).range(x1.range());
y0 = d3.scale.linear().domain([0, Infinity]).range(y1.range());
}
// Stash the new scales.
this.__chart__ = {x: x1, y: y1};
// Update diagonal line.
var diagonal = g.selectAll("line.diagonal")
.data([null]);
diagonal.enter().append("svg:line")
.attr("class", "diagonal")
.attr("x1", x1(yd[0]))
.attr("y1", y1(xd[0]))
.attr("x2", x1(yd[1]))
.attr("y2", y1(xd[1]));
diagonal.transition()
.duration(duration)
.attr("x1", x1(yd[0]))
.attr("y1", y1(xd[0]))
.attr("x2", x1(yd[1]))
.attr("y2", y1(xd[1]));
// Update quantile plots.
var circle = g.selectAll("circle")
.data(d3.range(n).map(function(i) {
return {x: qx[i], y: qy[i]};
}));
circle.enter().append("svg:circle")
.attr("class", "quantile")
.attr("r", 4.5)
.attr("cx", function(d) { return x0(d.x); })
.attr("cy", function(d) { return y0(d.y); })
.style("opacity", 1e-6)
.transition()
.duration(duration)
.attr("cx", function(d) { return x1(d.x); })
.attr("cy", function(d) { return y1(d.y); })
.style("opacity", 1);
circle.transition()
.duration(duration)
.attr("cx", function(d) { return x1(d.x); })
.attr("cy", function(d) { return y1(d.y); })
.style("opacity", 1);
circle.exit().transition()
.duration(duration)
.attr("cx", function(d) { return x1(d.x); })
.attr("cy", function(d) { return y1(d.y); })
.style("opacity", 1e-6)
.remove();
var xformat = tickFormat || x1.tickFormat(4),
yformat = tickFormat || y1.tickFormat(4),
tx = function(d) { return "translate(" + x1(d) + "," + height + ")"; },
ty = function(d) { return "translate(0," + y1(d) + ")"; };
// Update x-ticks.
var xtick = g.selectAll("g.x.tick")
.data(x1.ticks(4), function(d) {
return this.textContent || xformat(d);
});
var xtickEnter = xtick.enter().append("svg:g")
.attr("class", "x tick")
.attr("transform", function(d) { return "translate(" + x0(d) + "," + height + ")"; })
.style("opacity", 1e-6);
xtickEnter.append("svg:line")
.attr("y1", 0)
.attr("y2", -6);
xtickEnter.append("svg:text")
.attr("text-anchor", "middle")
.attr("dy", "1em")
.text(xformat);
// Transition the entering ticks to the new scale, x1.
xtickEnter.transition()
.duration(duration)
.attr("transform", tx)
.style("opacity", 1);
// Transition the updating ticks to the new scale, x1.
xtick.transition()
.duration(duration)
.attr("transform", tx)
.style("opacity", 1);
// Transition the exiting ticks to the new scale, x1.
xtick.exit().transition()
.duration(duration)
.attr("transform", tx)
.style("opacity", 1e-6)
.remove();
// Update ticks.
var ytick = g.selectAll("g.y.tick")
.data(y1.ticks(4), function(d) {
return this.textContent || yformat(d);
});
var ytickEnter = ytick.enter().append("svg:g")
.attr("class", "y tick")
.attr("transform", function(d) { return "translate(0," + y0(d) + ")"; })
.style("opacity", 1e-6);
ytickEnter.append("svg:line")
.attr("x1", 0)
.attr("x2", 6);
ytickEnter.append("svg:text")
.attr("text-anchor", "end")
.attr("dx", "-.5em")
.attr("dy", ".3em")
.text(yformat);
// Transition the entering ticks to the new scale, y1.
ytickEnter.transition()
.duration(duration)
.attr("transform", ty)
.style("opacity", 1);
// Transition the updating ticks to the new scale, y1.
ytick.transition()
.duration(duration)
.attr("transform", ty)
.style("opacity", 1);
// Transition the exiting ticks to the new scale, y1.
ytick.exit().transition()
.duration(duration)
.attr("transform", ty)
.style("opacity", 1e-6)
.remove();
});
}
qq.width = function(x) {
if (!arguments.length) return width;
width = x;
return qq;
};
qq.height = function(x) {
if (!arguments.length) return height;
height = x;
return qq;
};
qq.duration = function(x) {
if (!arguments.length) return duration;
duration = x;
return qq;
};
qq.domain = function(x) {
if (!arguments.length) return domain;
domain = x == null ? x : d3.functor(x);
return qq;
};
qq.count = function(z) {
if (!arguments.length) return n;
n = z;
return qq;
};
qq.x = function(z) {
if (!arguments.length) return x;
x = z;
return qq;
};
qq.y = function(z) {
if (!arguments.length) return y;
y = z;
return qq;
};
qq.tickFormat = function(x) {
if (!arguments.length) return tickFormat;
tickFormat = x;
return qq;
};
return qq;
};
function d3_chart_qqQuantiles(n, values) {
var m = values.length - 1;
values = values.slice().sort(d3.ascending);
return d3.range(n).map(function(i) {
return values[~~(i * m / n)];
});
}
function d3_chart_qqX(d) {
return d.x;
}
function d3_chart_qqY(d) {
return d.y;
}
})();