Created
September 20, 2015 03:04
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Scatterplot, transition + diagonal line
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <title>scatterplot|transition</title> | |
| <style type="text/css"> | |
| h1{ | |
| font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; | |
| font-size: 26px; | |
| font-style: bold; | |
| } | |
| body { | |
| background-color: #F9FFFF; | |
| font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; | |
| font-size: 16px; | |
| font-style: bold; | |
| } | |
| svg { | |
| background-color: #F9FFFF; | |
| } | |
| .mycirc { | |
| stroke-width: 2; | |
| stroke: #411dae; | |
| fill: #3adddb; | |
| } | |
| .mycirc:hover { | |
| stroke: #170a3d; | |
| fill: #181a8f; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| } | |
| .axis text { | |
| font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; | |
| font-style: bold; | |
| font-size: 11px; | |
| } | |
| </style> | |
| <h1>Stop and Frisk Totals by Race for NYC in 2014 </h1> | |
| </head> | |
| <body> | |
| <p>Original data available at <a href="http://www.nyc.gov/html/nypd/html/analysis_and_planning/stop_question_and_frisk_report.shtml">NYC.gov</a>.</p> | |
| <script type="text/javascript"> | |
| var w = 700; | |
| var h = 500; | |
| var padding = [ 20, 20, 50, 80 ]; //Top, right, bottom, left | |
| // scale x data linearly | |
| var xScale = d3.scale.linear() | |
| .range([ padding[3], w - padding[1]]) | |
| ; | |
| // scale y data ordinally | |
| var yScale = d3.scale.linear() | |
| .range([ padding[0], h - padding[2] ]); | |
| // add x-axis | |
| var xAxis = d3.svg.axis() | |
| .scale(xScale) | |
| .orient("bottom") | |
| // .tickFormat(d3.format("d")); //remove comma | |
| ; | |
| // add y-axis | |
| var yAxis = d3.svg.axis() | |
| .scale(yScale) | |
| .orient("left"); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| d3.csv("stopfrisksum.txt", function(data) { | |
| // inform domain to widthScale - x data | |
| xScale.domain([ 0, d3.max(data, function(d) { | |
| return +d.Brooklyn; | |
| }) ]).nice(); | |
| // inform domain to heightScale - y axis | |
| yScale.domain([ | |
| d3.max(data, function(d) { | |
| return +d.Queens; | |
| }) | |
| ,0 | |
| ]) | |
| .nice(); | |
| var circles = svg.selectAll("circle") | |
| .data(data) | |
| .enter() | |
| .append("circle"); | |
| // initial characterization of circles | |
| circles.attr("class", "mycirc") | |
| .attr("cx", function(d){return xScale(d.Brooklyn);}) | |
| .attr("cy", function(d) {return yScale(d.Queens);}) | |
| .attr("r", .1) | |
| .append("title") | |
| .text(function(d) { | |
| return d.race + " individuals were stopped and frisked " + d.total + " times in NYC in 2014"; | |
| }); | |
| // transition entrance of cicles | |
| circles.sort(function(a, b) { | |
| return d3.ascending(+a.total, +b.total); | |
| }) | |
| .transition() | |
| .delay(function(d, i) { | |
| return i * 250; | |
| }) | |
| .duration(2000) | |
| .attr("r", 5); | |
| // add x-axis | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + (h - padding[2]) + ")") | |
| .call(xAxis); | |
| // add y-axis | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + padding[3] + ",0)") | |
| .call(yAxis); | |
| // add diagonal line | |
| svg.append("line") | |
| .attr("x1", xScale(0)) | |
| .attr("y1", yScale(0)) | |
| .attr("x2", xScale(6000)) | |
| .attr("y2", yScale(6000)) | |
| .attr("stroke-width", 2) | |
| .attr("stroke", "red") | |
| .attr("stroke-dasharray", "5,5") //style of svg-line | |
| ; | |
| // text label for the x axis | |
| svg.append("text") | |
| .attr("x", (w + padding[3]) /2 ) | |
| .attr("y", h - (padding[3])/7) | |
| .attr("style","font-size:16px; font-weight: bold;") // to bold title | |
| .style("text-anchor", "middle") | |
| .text("Brooklyn Total"); | |
| // Add the text label for the Y axis | |
| svg.append("text") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", padding[3]/3) | |
| .attr("x", (-h+padding[0])/2) | |
| .attr("style","font-size:16px; font-weight: bold;") // to bold title | |
| .style("text-anchor", "middle") | |
| .text("Queens Total"); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| "race","Bronx","Brooklyn","Manhattan","Queens","Staten_Island","total" | |
| "AMERICAN INDIAN/ALASKAN NATIVE",16,23,14,115,17,185 | |
| "ASIAN/PACIFIC ISLANDER",39,332,138,1594,70,2173 | |
| "BLACK",3182,8696,3434,5688,2468,23468 | |
| "BLACK-HISPANIC",839,547,661,478,158,2683 | |
| "OTHER",143,160,239,107,57,706 | |
| "WHITE",199,1243,711,1715,1259,5127 | |
| "WHITE-HISPANIC",2115,1978,1563,2919,735,9310 |
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