anchor.diff:                  return y(d.count);
               });
   
  -        var area2 = d3.area()
  +        area2 = d3.area()
               .curve(d3.curveMonotoneX)
               .x(function(d) {
                   return x2(d.date);
  
positive.code:             .style("opacity", 1);
  
          // Make focus y axis
          var yAxisSelection = focus.selectAll(".yAxis").data([dataInt]);
  
          yAxisSelection.transition().duration(750)
              .call(yAxis);
  
negative.code:             .style("opacity", 1);
  
          // Make focus path
          focusPathSelection = focus.selectAll(".area").data([dataInt]);
  
          focusPathSelection.datum(dataInt).transition().duration(750)
              .attr("d", area);
  