D3 Examples - 4.11 scatter plot

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<!DOCTYPE html>
<meta charset="utf-8">
<html>
<head>
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<!-- Google fonts -->
<link href="https://fonts.googleapis.com/css2?family=Montserrat+Alternates:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Montserrat:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Roboto:ital,wght@0,100;0,300;1,100;1,300&display=swap" rel="stylesheet">
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<!-- Connecting with D3 library-->
<script src="https://d3js.org/d3.v4.min.js"></script>
​
<!-- Creating the charting area -->
<div id="vis"></div>
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<style>
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/*Defining text stylings*/
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#h1 {
  font-size:30px;
  margin:30px 0px 0px 20px;
  color:#f5fa91;
  font-family: 'Montserrat Alternates', sans-serif;
  font-weight:300;
}
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#link {
    font-family:'Montserrat Alternates', sans-serif;
  font-weight:200;
  font-size:10px;
    margin:5px 0px 60px 22px;
  color:white;
}
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a:link, a:visited, a:active {
    text-decoration: none;
  color:white;
  border-bottom:1.5px dotted white;
}
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body {
  background-color:#011227;
}
​
/*Defining axis stylings*/
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.y-axis text, .x-axis text {
  font-family:'Montserrat Alternates', sans-serif;
  font-weight:100;
  font-size:9px;
  opacity:1;
  fill:white;
}
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.x-axis path, .y-axis path {
  fill:none;
  stroke-width:0;
  stroke-opacity:1;
  stroke:white;
}
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.y-axis line, .x-axis line {
  fill:none;
  stroke-width:0.1;
  stroke-opacity:1;
  stroke:white;
  stroke-dasharray:2;
}
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#axis {
  font-family:'Montserrat Alternates', sans-serif;
  font-size:10px;
  font-variant: small-caps slashed-zero;
  fill:white;
      }
​
/*Defining chart stylings*/
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circle {
   stroke-width:1px;
   stroke:#85f6fa;
   stroke-opacity:1;
   fill:#85f6fa;
   fill-opacity:0.5;
}
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#name {
  font-family:'Montserrat Alternates', sans-serif;
  font-size:12px;
  fill:white;
}
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</style>
</head>
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<body>
  
<!-- Creating the headlines -->
<p id="h1">SCATTER PLOT | SMALL MULTIPLE</p>
<div id="link">BY
<a href="https://slides.com/sandravizmad">SANDRA</a></div>
  
<script>
​
//Global variables
var genders = ["Women", "Men"];
var ages = ["Total", "15 to 24", "25 to 54", "55 to 64"];
​
//Margin conventions
var m = {top:20, right:50, bottom:100, left:50}
    cw = 400 - m.left - m.right
    ch = 400 - m.top - m.bottom
    w = cw * ages.length
    h = ch  * genders.length;
​
//Container
var svg = d3.select("body")
        .append("svg")
    .attr("width",w)
    .attr("height",h)
    .append("g");
​
//X scale
var x = d3.scaleLinear()
    .domain([0, 1])
        .range([0, 200]);
​
//Y scale
var y = d3.scaleLinear()
    .domain([0, 0.3])
    .range([200, 0]);
​
//Data loading
d3.csv(
  "https://gist.githubusercontent.com/sandravizz/6fa65b3d068dbbedece44947332cdd00/raw/208dce16d8242f70cae5f4c1a7f3e2492f1b9feb/Unemployment%2520rate",
  data => {
​
  for(j = 0; j < ages.length; j++) {
  var age = ages[j];
​
  //Small multiple container
  var gAge = svg.append("g")
      .attr("transform", `translate(${j * (cw + m.left + m.right)}, 0)`);
​
  //Title for small multiple container
  gAge.append("text")
       .attr("id", "name")
       .attr("x", 120)
       .attr("y", 10)
       .text(age);
​
       for( i = 0; i < genders.length; i++) {
  var gender = genders[i];
​
  var g = gAge.append("g")
               .attr("transform", `translate(${m.left}, ${m.left + i * (ch + m.bottom)})`);
​
  var filter = data.filter(d => d.Age == age&&d.Sex == gender);
​
  //Draw the circles
  g.selectAll("circle")
    .data(filter)
    .enter()
    .append("circle")
    .attr("r", 6)
    .attr("cx", d => x(d.EmpPop))
    .attr("cy", d => y(d.UnempPop));
​
  //X Axis
  g.append("g")
    .attr("transform", "translate(0,"+ch+")")
    .call(d3.axisBottom()
             .scale(x)
                 .ticks(3)
             .tickPadding(2))
   .attr("class", "x-axis");
​
  g.append("text")
    .attr("id", "axis")
    .attr("x", cw - 65)
    .attr("y", ch + 25)
    .text("employed / pop");
​
  //Y Axis
  g.append("g")
    .call(d3.axisLeft()
             .scale(y)
                 .ticks(3)
             .tickSize(-cw)
                         .tickPadding(2))
   .attr("class","y-axis");
​
  g.append("text")
    .attr("id", "axis")
    .attr("transform", "rotate(-90)")
    .attr("y", -20)
    .attr("x", -75)
    .text("unemployed / pop");
​
  }
 }
});
​
</script>
</body>
</html>
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