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April 4, 2016 22:00
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Week11: Map
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| State | Rate | Percents | |
|---|---|---|---|
| Alabama | 0.5 | 0.005 | |
| Alaska | 0.5 | 0.005 | |
| Arizona | 0.6 | 0.006 | |
| Arkansas | 0.5 | 0.005 | |
| California | 0.8 | 0.008 | |
| Colorado | 0.4 | 0.004 | |
| Connecticut | 0.9 | 0.009 | |
| Delaware | 0.5 | 0.005 | |
| District of Columbia | 0.6 | 0.006 | |
| Florida | 0.6 | 0.006 | |
| Georgia | 0.6 | 0.006 | |
| Hawaii | 0.5 | 0.005 | |
| Idaho | 0.6 | 0.006 | |
| Illinois | 0.6 | 0.006 | |
| Indiana | 0.9 | 0.009 | |
| Iowa | 0.1 | 0.001 | |
| Kansas | 0.4 | 0.004 | |
| Kentucky | 0.5 | 0.005 | |
| Louisiana | 0.4 | 0.004 | |
| Maine | 1.1 | 0.011 | |
| Maryland | 0.8 | 0.008 | |
| Massachusetts | 0.9 | 0.009 | |
| Michigan | 0.8 | 0.008 | |
| Minnesota | 1.4 | 0.014 | |
| Mississippi | 0.4 | 0.004 | |
| Missouri | 0.7 | 0.007 | |
| Montana | 0.4 | 0.004 | |
| Nebraska | 0.6 | 0.006 | |
| Nevada | 0.7 | 0.007 | |
| New Hampshire | 0.7 | 0.007 | |
| New Jersey | 0.8 | 0.008 | |
| New Mexico | 0.4 | 0.004 | |
| New York | 0.7 | 0.007 | |
| North Carolina | 0.7 | 0.007 | |
| North Dakota | 0.5 | 0.005 | |
| Ohio | 0.7 | 0.007 | |
| Oklahoma | 0.4 | 0.004 | |
| Oregon | 1.2 | 0.012 | |
| Pennsylvania | 0.9 | 0.009 | |
| Rhode Island | 1 | 0.01 | |
| South Carolina | 0.4 | 0.004 | |
| South Dakota | 0.4 | 0.004 | |
| Tennessee | 0.5 | 0.005 | |
| Texas | 0.6 | 0.006 | |
| Utah | 0.6 | 0.006 | |
| Vermont | 0.8 | 0.008 | |
| Virginia | 0.8 | 0.008 | |
| Washington | 0.7 | 0.007 | |
| West Virginia | 0.5 | 0.005 | |
| Wisconsin | 0.8 | 0.008 | |
| Wyoming | 0.7 | 0.007 |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <style type="text/css"> | |
| @import url(https://fonts.googleapis.com/css?family=Dosis); | |
| @import url(https://fonts.googleapis.com/css?family=Raleway:400); | |
| @import url(https://fonts.googleapis.com/css?family=Raleway:400italic|Poiret+One|Ubuntu|Oxygen); | |
| @import url(https://fonts.googleapis.com/css?family=Raleway:400italic|Poiret+One|Ubuntu); | |
| /* On mouse hover, lighten state color */ | |
| path { | |
| stroke: White; | |
| stroke-width: 1; | |
| } | |
| h2 { | |
| font-size: 37px; | |
| padding: 0px 0 5px 0; | |
| text-align: center; | |
| line-height: 1.2em; | |
| font-family: 'Dosis', sans-serif; | |
| color: #00A2EA; | |
| } | |
| #intro { | |
| margin-left: 100px; | |
| margin-right: 100px; | |
| margin-bottom: 50px; | |
| margin-top: 24px; | |
| font-family: 'Ubuntu', sans-serif; | |
| font-size: 18px; | |
| } | |
| /* Style for Custom Tooltip */ | |
| div.tooltip { | |
| position: absolute; | |
| min-width: 120px; | |
| height: 60px; | |
| padding: 2px; | |
| font: 12px sans-serif; | |
| background-color: #D8FFFF; | |
| border: rgba(230,230,230,1) 1px solid; | |
| border-radius: 5px; | |
| pointer-events: none; | |
| font-family: "Open Sans", sans-serif; | |
| font-size:14px; | |
| line-height: 1.4; | |
| } | |
| .tooltip p { | |
| margin-left: 10px; | |
| } | |
| /* Legend Font Style */ | |
| body { | |
| font: 11px sans-serif; | |
| } | |
| /* Legend Position Style */ | |
| .legend { | |
| position:absolute; | |
| left:800px; | |
| top:350px; | |
| } | |
| svg { | |
| margin-left: 150px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h2>Autism Rates by State</h2> | |
| <div id="intro"> | |
| <p>According to a research from Centers for Disease Control and Prevention, one in sixty-eight children in United States live with autism specturm disorder. This map shows the autism rates of children ages 6 to 17.</p> | |
| <p> Source: Los Angeles Times Research: Sandra Poindexter, Doug Smith and Alan Zarembo</p> | |
| </div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://d3js.org/queue.v1.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3-legend/1.9.0/d3-legend.js"></script> | |
| <script type="text/javascript"> | |
| //Width and height of map | |
| var width = 960; | |
| var height = 500; | |
| // D3 Projection | |
| var projection = d3.geo.albersUsa() | |
| .translate([width/2, height/2]) // translate to center of screen | |
| .scale([1000]); // scale things down so see entire US | |
| // Define path generator | |
| var path = d3.geo.path() // path generator that will convert GeoJSON to SVG paths | |
| .projection(projection); // tell path generator to use albersUsa projection | |
| // Define linear scale for output | |
| var stateColor = d3.scale.linear().range(["#D8FFFF","#00A2EA"]).interpolate(d3.interpolateLab); | |
| //Create SVG element and append map to the SVG | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| // Append Div for tooltip to SVG | |
| var div = d3.select("body") | |
| .append("div") | |
| .attr("class", "tooltip") | |
| .style("display", "none"); | |
| var tooltip = d3.select("body").append("div").attr("class", "tooltip"); | |
| queue() | |
| .defer(d3.json, "us-states.json") | |
| .defer(d3.csv, "autism_rate.csv") | |
| .await(ready); | |
| function ready(error, json, states) { | |
| stateColor.domain(d3.extent(states, function(s) {return +s.Percents;})); | |
| // Loop through each state data value in the .csv file | |
| states.forEach(function(state) { | |
| // Grab State Name | |
| var dataState = state.State; // name | |
| // Grab data value | |
| var dataValue = +state.Percents; // number | |
| // Find the corresponding state inside the GeoJSON | |
| json.features.forEach(function(j) { | |
| var jsonState = j.properties.name; | |
| if (dataState == jsonState) { // assumes the names will match... | |
| // Copy the data value into the JSON | |
| j.properties.Rate = dataValue; | |
| // Stop looking through the JSON | |
| } | |
| }); | |
| }); // ends data merge | |
| // Bind the data to the SVG and create one path per GeoJSON feature | |
| svg.selectAll("path") | |
| .data(json.features) | |
| .enter() | |
| .append("path") | |
| .attr("d", path) | |
| .style("fill", function(d) { | |
| // Get data value for visited | |
| var value = d.properties.Rate; | |
| return stateColor(value); | |
| }) | |
| .on("mouseover", mouseover) | |
| .on("mousemove", mousemove) | |
| .on("mouseout", mouseout); | |
| d3.selection.prototype.moveToFront = function() { | |
| return this.each(function(){ | |
| this.parentNode.appendChild(this); | |
| }); | |
| }; | |
| var formatPercents = d3.format(".2%"); | |
| function mouseover(d) { | |
| d3.select(this) | |
| .transition() | |
| .style("stroke", "white") | |
| .style("stroke-width", "2.5"); | |
| d3.select(this).moveToFront(); | |
| tooltip | |
| .style("display", null) // this removes the display none setting from it | |
| .html("<p><strong>State: </strong>"+d.properties.name+"</br>"+"<strong>Rate: </strong>"+ formatPercents(d.properties.Rate)+"</p>"); | |
| } | |
| function mousemove(d) { | |
| tooltip | |
| .style("top", (d3.event.pageY - 10) + "px" ) | |
| .style("left", (d3.event.pageX + 10) + "px"); | |
| } | |
| function mouseout(d) { | |
| d3.select(this) | |
| .transition() | |
| .style("stroke", null) | |
| .style("stroke-width", null); | |
| tooltip.style("display", "none"); // this sets it to invisible! | |
| } | |
| var linear = stateColor; | |
| svg.append("g") | |
| .attr("class", "legendLinear") | |
| .attr("font-size","12px") | |
| .attr("font-family","Ubuntu") | |
| .attr("transform", "translate(560, 5)"); | |
| var legendLinear = d3.legend.color() | |
| .shapeWidth(40) | |
| .orient("horizontal") | |
| .labelFormat(d3.format(".2%")) | |
| .scale(linear); | |
| svg.select(".legendLinear") | |
| .call(legendLinear); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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