_usage":"Repositories",
						"year":"Year",
						"sum_rep_size":"Average Size",
						"sum_rep_forks":"Average Forks",
						"sum_rep_openissues":"Average Open Issues",
						"sum_rep_watchers":"Average Watchers"
					}
				});

			});
		});
		function ParallelCoordinates(data,options) {

			console.log(data);

			var scale_type=options.scale || "linear";

			var nested_data=d3.nest()
							/*.key(function(d){
								return d.timestamp;
							})*/
							.key(function(d){
								return d.repository_la