anchor.diff:        .data(data)
       .enter().append("text")
         .attr("x", function(d) { return 1; })
  -      .attr("y", function(d) { return y(d.category) + y.rangeBand() + 12; })
  +      .attr("y", function(d) { return y(d.category) + y.rangeBand() + 14; })
         .text(function(d) { return d.category });
   });
   
  
positive.code: 
  var margin = { top: 20, right: 20, bottom: 30, left: 20 },
      width = 670 - margin.left - margin.right,
      height = 400 - margin.top - margin.bottom;
  
  var formatPercent = d3.format(".0%");
  
  
negative.code:     .range([0, width]);
  
  var y = d3.scale.ordinal()
      .rangeRoundBands([0, height], .50);
  
  var svg = d3.select("#chart").append("svg")
      .attr("width", width + margin.left + margin.right)
  