D3 Examples - Wealth & Health of Nations Lab

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  /*use .find()
  d3 nest, but year is not a key, it's a value within an array  */
  <svg></svg>
  <script>    
      
   d3.json('nations.json', function(error,nations){
     var temp = []
     console.log(nations)
     nations.forEach(function(nation){
                // console.log nations
        
        var something;
        something = d3.nest().key(function(d){
          return d[0];
        }).map(nation.income);
       console.log(something);
        
        })
   
   })
   
​
​
    
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
​
  </script>
</body>
​
    