Error Bar nvd3 example

by sberube

CSS

body {
    font: 10px sans-serif;
}
.axis path, .axis line {
    fill: none;
    stroke: #000;
    shape-rendering: crispEdges;
}
.bar {
    fill: steelblue;
}
.x.axis path {
    display: none;
}

JavaScript

var margin = {
    top: 20,
    right: 20,
    bottom: 30,
    left: 40
},
width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x0 = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);

var x1 = d3.scale.ordinal();

var y0 = d3.scale.linear()
    .range([height, 0]);

var y1 = d3.scale.linear()
    .range([height, 0]);

var color = d3.scale.ordinal()
    .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);

var xAxis = d3.svg.axis()
    .scale(x0)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y0)
    .orient("left")
    .tickFormat(d3.format(".2s"));

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

JSONdata = [{
    "State": "Iowa",
        "Under 5 Years": 202123,
        "5 to 14 Years": 401550,
        "15 to 19 Years": 216837,
        "20 to 24 Years": 213350,
        "25 to 44 Years": 747131,
        "45 to 64 Years": 812476,
        "65 Years and Over": 452888,
        "moe": 20000
}, {
    "State": "Minnesota",
        "Under 5 Years": 355504,
        "5 to 14 Years": 707878,
        "15 to 19 Years": 367829,
        "20 to 24 Years": 355651,
        "25 to 44 Years": 1396680,
        "45 to 64 Years": 1437262,
        "65 Years and Over": 683121,
        "moe": 12000
}, {
    "State": "Wisconsin",
        "Under 5 Years": 358443,
        "5 to 14 Years": 744544,
        "15 to 19 Years": 399209,
        "20 to 24 Years": 386552,
        "25 to 44 Years": 1447360,
        "45 to 64 Years": 1573564,
        "65 Years and Over": 777314,
        "moe": 10000
}, {
    "State": "Illinois",
        "Under 5 Years": 835577,
        "5 to 14 Years": 1738853,
        "15 to 19 Years": 922092,
        "20 to 24 Years": 878964,
        "25 to 44 Years": 3501847,
        "45 to...