SOURCE

	var datasetA = [ {"Name" : "A","Value" : "100"}, 
                  {"Name" : "B","Value" : "90"}, 
                  {"Name" : "C","Value" : "80"}, 
                  {"Name" : "D","Value" : "70"}, 
                  {"Name" : "E","Value" : "60"} ];
		var score = score;
		var color = [ 'darkgreen', 'LightGreen', 'yellow', 'orange', 'red','gray' ];
		var level = 4;
		var chart = dc.rowChart('#subjectA');
		var ndx = crossfilter(datasetA);
		var nameDim = ndx.dimension(function(d) {return d.Name;});
		var valueDim = nameDim.group().reduceSum(function(d) {
			return d.Value;
		});

		chart
      .width(550)
      .height(200)
      .margins({left : 30,top : 20,right : 50,bottom : 30})
      .dimension(nameDim)
      .group(valueDim)
      .elasticX(true)
      .colors(d3.scale.ordinal().range(color));
		chart.render();
		function AddXAxis(chartToUpdate, displayText) {
			chartToUpdate.svg().append("text").attr("class", "x-axis-label")
					.attr("text-anchor", "middle").attr("x",
							chartToUpdate.width() / 2).attr("y",
							chartToUpdate.height()).text(displayText);
		}
		AddXAxis(chart, title);

<div id ='subjectA' ></div><br>