 (1 + changeEstimate);
              }

              return {
                opcode: name.toUpperCase(),
                mean: meanValue,
                stddev: madValue,
                category,
                previous: previousValue,
                changeEstimate: changeEstimate
              };
            });
          drawChart();
        });
    }

    function drawChart(dataOps = ops) {
      // first, sort ops into the order you want on the x-axis
      // (here I'm assuming ops is already in 