Data homework

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Loading CSV Data with D3</title>
		<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
	</head>
	<body>

<h1>Loading CSV and processing the data.</h1>
		<p>Not much to see here; try looking in the console!</p>
		<p>If you open the console after loading, you'll need to reload the page.</p>

data_item.year1990 = +data_item.year1990;
					data_item.year2000 = +data_item.year2000;
					data_item.year2010 = +data_item.year2010;
					data_item.year2013 = +data_item.year2013;
					// now we add another data object value, a calculated value.
					/*data_item.difference = data_item.year2015 - data_item.year1990;*/
					total1990 = total1990 + data_item.year1990;
					total2000 = total2000 + data_item.year2000;
					total2010 = total2010 + data_item.year2010;
					total2013 = total2013 + data_item.year2013;
					total = data_item.total1990 + data_item.total2000 + data_item.total2010 + data_item.total2013;
					difference = total2013 - total2010;
					console.log(index, data_item);
				});
				console.log("total 1990", total1990);
				console.log("total 2000", total2000);
				console.log("total 2010", total2010);
				console.log("total 2013", total2013);
				console.log("total", total)
				/*console.log("difference", difference)*/
				// Sorting:
				data.sort(function (a, b) {
					return a.year1990 - b.year1990;
				});
				// Suppose you wanted it sorted the other way?  How would you do that?
				console.log("sorted", data);

/*data.forEach(function (data) {
	          body.append("p").text(d.country + ", " + total);
					});*/
			});
		// Notice this below doesn't work.  It's outside the scope of the function that loaded the data.  You need to keep your operations on data inside the loading callback.
		//console.log("my data now", data);
		// what do you expect these values to be now?  what's going on?

</script>

</body>
</html>

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