A scatterplot using d3js. It maps social trust against ease of doing business in various countries. For tooltips, it makes use of Justin Donaldson's fork of the jQuery plugin tipsy. Data come from the Pew Global Attitudes project and the Doing Business rankings. For a live example see my post on it or http://bl.ocks.org/4481531
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Scatterplot: Social trust vs ease of doing business
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Trust and Business</title> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://code.jquery.com/jquery-1.8.3.min.js" type="text/javascript" charset="utf-8"></script> | |
| <script src="jquery.tipsy.js" type="text/javascript" charset="utf-8"></script> | |
| <link rel="stylesheet" href="http://onehackoranother.com/projects/jquery/tipsy/stylesheets/tipsy.css" type="text/css" title="no title" charset="utf-8"/> | |
| <style type="text/css"> | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| opacity: 1; | |
| } | |
| .axis text { font-size:10px; } | |
| body { font: 12px sans-serif; } | |
| .circles { opacity: .5; } | |
| .tipsy { font-size:11px; margin-top:-10px;} | |
| .guide line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| opacity: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chart"> | |
| <script type="text/javascript"> | |
| // set the stage | |
| var margin = {t:30, r:20, b:20, l:40 }, | |
| w = 600 - margin.l - margin.r, | |
| h = 500 - margin.t - margin.b, | |
| x = d3.scale.linear().range([0, w]), | |
| y = d3.scale.linear().range([h - 60, 0]), | |
| //colors that will reflect geographical regions | |
| color = d3.scale.category10(); | |
| var svg = d3.select("#chart").append("svg") | |
| .attr("width", w + margin.l + margin.r) | |
| .attr("height", h + margin.t + margin.b); | |
| // set axes, as well as details on their ticks | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .ticks(20) | |
| .tickSubdivide(true) | |
| .tickSize(6, 3, 0) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .ticks(20) | |
| .tickSubdivide(true) | |
| .tickSize(6, 3, 0) | |
| .orient("left"); | |
| // group that will contain all of the plots | |
| var groups = svg.append("g").attr("transform", "translate(" + margin.l + "," + margin.t + ")"); | |
| // array of the regions, used for the legend | |
| var regions = ["Asia", "Europe", "Middle East", "N. America", "S. America", "Sub-Saharan Africa"] | |
| // bring in the data, and do everything that is data-driven | |
| d3.csv("trust-business.csv", function(data) { | |
| // sort data alphabetically by region, so that the colors match with legend | |
| data.sort(function(a, b) { return d3.ascending(a.region, b.region); }) | |
| console.log(data) | |
| var x0 = Math.max(-d3.min(data, function(d) { return d.trust; }), d3.max(data, function(d) { return d.trust; })); | |
| x.domain([-100, 100]); | |
| y.domain([180, 0]) | |
| // style the circles, set their locations based on data | |
| var circles = | |
| groups.selectAll("circle") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("class", "circles") | |
| .attr({ | |
| cx: function(d) { return x(+d.trust); }, | |
| cy: function(d) { return y(+d.business); }, | |
| r: 8, | |
| id: function(d) { return d.country; } | |
| }) | |
| .style("fill", function(d) { return color(d.region); }); | |
| // what to do when we mouse over a bubble | |
| var mouseOn = function() { | |
| var circle = d3.select(this); | |
| // transition to increase size/opacity of bubble | |
| circle.transition() | |
| .duration(800).style("opacity", 1) | |
| .attr("r", 16).ease("elastic"); | |
| // append lines to bubbles that will be used to show the precise data points. | |
| // translate their location based on margins | |
| svg.append("g") | |
| .attr("class", "guide") | |
| .append("line") | |
| .attr("x1", circle.attr("cx")) | |
| .attr("x2", circle.attr("cx")) | |
| .attr("y1", +circle.attr("cy") + 26) | |
| .attr("y2", h - margin.t - margin.b) | |
| .attr("transform", "translate(40,20)") | |
| .style("stroke", circle.style("fill")) | |
| .transition().delay(200).duration(400).styleTween("opacity", | |
| function() { return d3.interpolate(0, .5); }) | |
| svg.append("g") | |
| .attr("class", "guide") | |
| .append("line") | |
| .attr("x1", +circle.attr("cx") - 16) | |
| .attr("x2", 0) | |
| .attr("y1", circle.attr("cy")) | |
| .attr("y2", circle.attr("cy")) | |
| .attr("transform", "translate(40,30)") | |
| .style("stroke", circle.style("fill")) | |
| .transition().delay(200).duration(400).styleTween("opacity", | |
| function() { return d3.interpolate(0, .5); }); | |
| // function to move mouseover item to front of SVG stage, in case | |
| // another bubble overlaps it | |
| d3.selection.prototype.moveToFront = function() { | |
| return this.each(function() { | |
| this.parentNode.appendChild(this); | |
| }); | |
| }; | |
| // skip this functionality for IE9, which doesn't like it | |
| if (!$.browser.msie) { | |
| circle.moveToFront(); | |
| } | |
| }; | |
| // what happens when we leave a bubble? | |
| var mouseOff = function() { | |
| var circle = d3.select(this); | |
| // go back to original size and opacity | |
| circle.transition() | |
| .duration(800).style("opacity", .5) | |
| .attr("r", 8).ease("elastic"); | |
| // fade out guide lines, then remove them | |
| d3.selectAll(".guide").transition().duration(100).styleTween("opacity", | |
| function() { return d3.interpolate(.5, 0); }) | |
| .remove() | |
| }; | |
| // run the mouseon/out functions | |
| circles.on("mouseover", mouseOn); | |
| circles.on("mouseout", mouseOff); | |
| // tooltips (using jQuery plugin tipsy) | |
| circles.append("title") | |
| .text(function(d) { return d.country; }) | |
| $(".circles").tipsy({ gravity: 's', }); | |
| // the legend color guide | |
| var legend = svg.selectAll("rect") | |
| .data(regions) | |
| .enter().append("rect") | |
| .attr({ | |
| x: function(d, i) { return (40 + i*80); }, | |
| y: h, | |
| width: 25, | |
| height: 12 | |
| }) | |
| .style("fill", function(d) { return color(d); }); | |
| // legend labels | |
| svg.selectAll("text") | |
| .data(regions) | |
| .enter().append("text") | |
| .attr({ | |
| x: function(d, i) { return (40 + i*80); }, | |
| y: h + 24, | |
| }) | |
| .text(function(d) { return d; }); | |
| // draw axes and axis labels | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(" + margin.l + "," + (h - 60 + margin.t) + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + margin.l + "," + margin.t + ")") | |
| .call(yAxis); | |
| svg.append("text") | |
| .attr("class", "x label") | |
| .attr("text-anchor", "end") | |
| .attr("x", w + 50) | |
| .attr("y", h - margin.t - 5) | |
| .text("others in society seen as trustworthy*"); | |
| svg.append("text") | |
| .attr("class", "y label") | |
| .attr("text-anchor", "end") | |
| .attr("x", -20) | |
| .attr("y", 45) | |
| .attr("dy", ".75em") | |
| .attr("transform", "rotate(-90)") | |
| .text("ease of doing business (rank)"); | |
| }); | |
| </script> | |
| </div> | |
| </body> | |
| </html> |
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| // tipsy, facebook style tooltips for jquery | |
| // version 1.0.0a | |
| // (c) 2008-2010 jason frame [[email protected]] | |
| // released under the MIT license | |
| (function($) { | |
| function maybeCall(thing, ctx) { | |
| return (typeof thing == 'function') ? (thing.call(ctx)) : thing; | |
| } | |
| // CAUTION the current implementation does not allow for tipsied elements to stay out of DOM (in between events) | |
| // i.e. don't remove, store, then re-insert tipsied elements (and why would you want to do that anyway?) | |
| var garbageCollect = (function() { | |
| var currentInterval; | |
| var to = null; | |
| var tipsies = []; | |
| function _do() { | |
| for (var i = 0; i < tipsies.length;) { | |
| var t = tipsies[i]; | |
| // FIXME? the 2nd (non-paranoid) check is from the link below, it should be replaced if a better way is found | |
| // http://stackoverflow.com/questions/4040715/check-if-cached-jquery-object-is-still-in-dom | |
| if (t.options.gcInterval === 0 || t.$element.closest('body').length === 0) { | |
| t.hoverState = 'out'; | |
| t.hide(); | |
| tipsies.splice(i,1); | |
| } else { | |
| i++; | |
| } | |
| } | |
| } | |
| function _loop() { | |
| to = setTimeout(function() { _do(); _loop(); }, currentInterval); | |
| } | |
| return function(t) { | |
| if (t.options.gcInterval === 0) return; | |
| if (to && t.options.gcInterval < currentInterval) { | |
| clearTimeout(to); to = null; | |
| currentInterval = t.options.gcInterval; | |
| } | |
| tipsies.push(t); | |
| if (!to) _loop(); | |
| }; | |
| })(); | |
| function Tipsy(element, options) { | |
| this.$element = $(element); | |
| this.options = options; | |
| this.enabled = true; | |
| this.fixTitle(); | |
| garbageCollect(this); | |
| } | |
| Tipsy.prototype = { | |
| show: function() { | |
| var title = this.getTitle(); | |
| if (title && this.enabled) { | |
| var $tip = this.tip(); | |
| $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title); | |
| $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity | |
| $tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).prependTo(document.body); | |
| var pos = $.extend({}, this.$element.offset(), { | |
| width: this.$element[0].offsetWidth || 0, | |
| height: this.$element[0].offsetHeight || 0 | |
| }); | |
| if (typeof this.$element[0].nearestViewportElement == 'object') { | |
| // SVG | |
| var el = this.$element[0]; | |
| var rect = el.getBoundingClientRect(); | |
| pos.width = rect.width; | |
| pos.height = rect.height; | |
| } | |
| var actualWidth = $tip[0].offsetWidth, | |
| actualHeight = $tip[0].offsetHeight, | |
| gravity = maybeCall(this.options.gravity, this.$element[0]); | |
| var tp; | |
| switch (gravity.charAt(0)) { | |
| case 'n': | |
| tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| break; | |
| case 's': | |
| tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; | |
| break; | |
| case 'e': | |
| tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset}; | |
| break; | |
| case 'w': | |
| tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset}; | |
| break; | |
| } | |
| if (gravity.length == 2) { | |
| if (gravity.charAt(1) == 'w') { | |
| tp.left = pos.left + pos.width / 2 - 15; | |
| } else { | |
| tp.left = pos.left + pos.width / 2 - actualWidth + 15; | |
| } | |
| } | |
| $tip.css(tp).addClass('tipsy-' + gravity); | |
| $tip.find('.tipsy-arrow')[0].className = 'tipsy-arrow tipsy-arrow-' + gravity.charAt(0); | |
| if (this.options.className) { | |
| $tip.addClass(maybeCall(this.options.className, this.$element[0])); | |
| } | |
| if (this.options.fade) { | |
| $tip.stop().css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: this.options.opacity}); | |
| } else { | |
| $tip.css({visibility: 'visible', opacity: this.options.opacity}); | |
| } | |
| var t = this; | |
| var set_hovered = function(set_hover){ | |
| return function(){ | |
| t.$tip.stop(); | |
| t.tipHovered = set_hover; | |
| if (!set_hover){ | |
| if (t.options.delayOut === 0 && t.options.trigger != 'manual') { | |
| t.hide(); | |
| } else { | |
| setTimeout(function() { | |
| if (t.hoverState == 'out') t.hide(); }, t.options.delayOut); | |
| } | |
| } | |
| }; | |
| }; | |
| $tip.hover(set_hovered(true), set_hovered(false)); | |
| } | |
| }, | |
| hide: function() { | |
| if (this.options.fade) { | |
| this.tip().stop().fadeOut(function() { $(this).remove(); }); | |
| } else { | |
| this.tip().remove(); | |
| } | |
| }, | |
| fixTitle: function() { | |
| var $e = this.$element; | |
| if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') { | |
| $e.attr('original-title', $e.attr('title') || '').removeAttr('title'); | |
| } | |
| if (typeof $e.context.nearestViewportElement == 'object'){ | |
| if ($e.children('title').length){ | |
| $e.append('<original-title>' + ($e.children('title').text() || '') + '</original-title>') | |
| .children('title').remove(); | |
| } | |
| } | |
| }, | |
| getTitle: function() { | |
| var title, $e = this.$element, o = this.options; | |
| this.fixTitle(); | |
| if (typeof o.title == 'string') { | |
| var title_name = o.title == 'title' ? 'original-title' : o.title; | |
| if ($e.children(title_name).length){ | |
| title = $e.children(title_name).html(); | |
| } else{ | |
| title = $e.attr(title_name); | |
| if (typeof title == 'undefined') title = '' | |
| } | |
| } else if (typeof o.title == 'function') { | |
| title = o.title.call($e[0]); | |
| } | |
| title = ('' + title).replace(/(^\s*|\s*$)/, ""); | |
| return title || o.fallback; | |
| }, | |
| tip: function() { | |
| if (!this.$tip) { | |
| this.$tip = $('<div class="tipsy"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>'); | |
| } | |
| return this.$tip; | |
| }, | |
| validate: function() { | |
| if (!this.$element[0].parentNode) { | |
| this.hide(); | |
| this.$element = null; | |
| this.options = null; | |
| } | |
| }, | |
| enable: function() { this.enabled = true; }, | |
| disable: function() { this.enabled = false; }, | |
| toggleEnabled: function() { this.enabled = !this.enabled; } | |
| }; | |
| $.fn.tipsy = function(options) { | |
| if (options === true) { | |
| return this.data('tipsy'); | |
| } else if (typeof options == 'string') { | |
| $(this).each(function(i,el){ | |
| if ($(el).data('tipsy')) { | |
| tipsy = $(el).data('tipsy') | |
| tipsy[options](); | |
| } | |
| }); | |
| return this; | |
| } | |
| options = $.extend({}, $.fn.tipsy.defaults, options); | |
| if (options.hoverlock && options.delayOut === 0) { | |
| options.delayOut = 100; | |
| } | |
| function get(ele) { | |
| var tipsy = $.data(ele, 'tipsy'); | |
| if (!tipsy) { | |
| tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options)); | |
| $.data(ele, 'tipsy', tipsy); | |
| } | |
| return tipsy; | |
| } | |
| function enter() { | |
| var tipsy = get(this); | |
| tipsy.hoverState = 'in'; | |
| if (options.delayIn === 0) { | |
| tipsy.show(); | |
| } else { | |
| tipsy.fixTitle(); | |
| setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn); | |
| } | |
| } | |
| function leave() { | |
| var tipsy = get(this); | |
| tipsy.hoverState = 'out'; | |
| if (options.delayOut === 0) { | |
| tipsy.hide(); | |
| } else { | |
| var to = function() { | |
| if (!tipsy.tipHovered || !options.hoverlock){ | |
| if (tipsy.hoverState == 'out') tipsy.hide(); | |
| } | |
| }; | |
| setTimeout(to, options.delayOut); | |
| } | |
| } | |
| if (!options.live) this.each(function() { get(this); }); | |
| if (options.trigger != 'manual') { | |
| var binder = options.live ? 'live' : 'bind', | |
| eventIn = options.trigger == 'hover' ? 'mouseenter' : 'focus', | |
| eventOut = options.trigger == 'hover' ? 'mouseleave' : 'blur'; | |
| this[binder](eventIn, enter)[binder](eventOut, leave); | |
| } | |
| return this; | |
| }; | |
| $.fn.tipsy.defaults = { | |
| className: null, | |
| delayIn: 0, | |
| delayOut: 0, | |
| fade: false, | |
| fallback: '', | |
| gcInterval: 0, | |
| gravity: 'n', | |
| html: false, | |
| live: false, | |
| offset: 0, | |
| opacity: 0.8, | |
| title: 'title', | |
| trigger: 'hover', | |
| hoverlock: false | |
| }; | |
| // Overwrite this method to provide options on a per-element basis. | |
| // For example, you could store the gravity in a 'tipsy-gravity' attribute: | |
| // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' }); | |
| // (remember - do not modify 'options' in place!) | |
| $.fn.tipsy.elementOptions = function(ele, options) { | |
| return $.metadata ? $.extend({}, options, $(ele).metadata()) : options; | |
| }; | |
| $.fn.tipsy.autoNS = function() { | |
| return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n'; | |
| }; | |
| $.fn.tipsy.autoWE = function() { | |
| return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w'; | |
| }; | |
| /** | |
| * yields a closure of the supplied parameters, producing a function that takes | |
| * no arguments and is suitable for use as an autogravity function like so: | |
| * | |
| * @param margin (int) - distance from the viewable region edge that an | |
| * element should be before setting its tooltip's gravity to be away | |
| * from that edge. | |
| * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer | |
| * if there are no viewable region edges effecting the tooltip's | |
| * gravity. It will try to vary from this minimally, for example, | |
| * if 'sw' is preferred and an element is near the right viewable | |
| * region edge, but not the top edge, it will set the gravity for | |
| * that element's tooltip to be 'se', preserving the southern | |
| * component. | |
| */ | |
| $.fn.tipsy.autoBounds = function(margin, prefer) { | |
| return function() { | |
| var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)}, | |
| boundTop = $(document).scrollTop() + margin, | |
| boundLeft = $(document).scrollLeft() + margin, | |
| $this = $(this); | |
| if ($this.offset().top < boundTop) dir.ns = 'n'; | |
| if ($this.offset().left < boundLeft) dir.ew = 'w'; | |
| if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e'; | |
| if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's'; | |
| return dir.ns + (dir.ew ? dir.ew : ''); | |
| }; | |
| }; | |
| })(jQuery); |
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| country | trust | business | gdppc | region | |
|---|---|---|---|---|---|
| Argentina | -28 | 168 | 17554.119067691 | S. America | |
| Bangladesh | -15 | 129 | 1776.89282453484 | Asia | |
| Bolivia | -44 | 155 | 5099.09217996094 | S. America | |
| Brazil | -52 | 130 | 11639.7194954807 | S. America | |
| Britain | 30 | 7 | 35656.9565075244 | Europe | |
| Bulgaria | -9 | 66 | 14825.0771657591 | Europe | |
| Canada | 47 | 17 | 40369.5851161718 | N. America | |
| Chile | -56 | 37 | 17310.2800735025 | S. America | |
| China | 78 | 91 | 8400.16260969792 | Asia | |
| Czech Rep. | -18 | 65 | 26207.6874532862 | Europe | |
| Egypt | 21 | 109 | 6280.99463624316 | Middle East | |
| Ethiopia | -5 | 127 | 1108.87789464894 | Sub-Saharan Africa | |
| France | -23 | 34 | 35245.6079040649 | Europe | |
| Germany | 4 | 20 | 39491.0260257692 | Europe | |
| Ghana | -26 | 64 | 1871.14094809382 | Sub-Saharan Africa | |
| India | 7 | 132 | 3627.14341118417 | Asia | |
| Indonesia | 18 | 128 | 4636.19678834347 | Asia | |
| Israel | -31 | 38 | 27824.8829745345 | Middle East | |
| Italy | -26 | 73 | 32647.4649463297 | Europe | |
| Côte d'Ivoire | -14 | 177 | 1789.36129264033 | Sub-Saharan Africa | |
| Japan | -16 | 24 | 34313.5804900522 | Asia | |
| Jordan | 2 | 106 | 5966.03602904957 | Middle East | |
| Kenya | -87 | 121 | 1709.50812446534 | Sub-Saharan Africa | |
| Kuwait | -76 | 82 | 54282.5861421787 | Middle East | |
| Lebanon | -57 | 115 | 14608.6694472067 | Middle East | |
| Malaysia | 13 | 12 | 16050.9137705718 | Asia | |
| Mali | -16 | 151 | 1091.11012833182 | Sub-Saharan Africa | |
| Mexico | -6 | 48 | 15266.2097793612 | N. America | |
| Morocco | -10 | 97 | 4952.4368731 | Middle East | |
| Nigeria | -55 | 131 | 2533.05299394733 | Sub-Saharan Africa | |
| Pakistan | 25 | 107 | 2744.83233934761 | Asia | |
| Peru | -56 | 43 | 10233.9466428683 | S. America | |
| Poland | -7 | 55 | 21260.5863057129 | Europe | |
| Russia | 5 | 112 | 21245.9248859672 | Europe | |
| South Africa | -31 | 39 | 10959.7417065231 | Sub-Saharan Africa | |
| South Korea | -8 | 8 | 30286.1443265803 | Asia | |
| Senegal | -55 | 166 | 1967.1329427994 | Sub-Saharan Africa | |
| Slovakia | -17 | 46 | 23910.3901606441 | Europe | |
| Spain | -23 | 44 | 32044.6181153156 | Europe | |
| Sweden | 82 | 13 | 41467.4196021543 | Europe | |
| Tanzania | -33 | 134 | 1512.4885492 | Sub-Saharan Africa | |
| Turkey | -27 | 71 | 17110.1200448083 | Europe | |
| Uganda | -63 | 120 | 1344.9193805938 | Sub-Saharan Africa | |
| Ukraine | -8 | 137 | 7208.0899576188 | Europe | |
| United States | 12 | 4 | 48111.9669095909 | N. America | |
| Venezuela | -2 | 180 | 12748.7408127178 | S. America |
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tooltips go above the top