Trivariate Scatterplot

<html lang = "en">
	<head>
		<meta charset = "utf-8">
		<title>Trivariate Scatterplot</title>
		<script src="https://d3js.org/d3.v5.min.js"></script>
	</head>
	
	<body>
		<script type = "text/javascript">
		
		//width and height
		var w = 600;
		var h = 400;
		var padding = 40;
		
		/*
		var dataset;
		//load data
		d3.csv('weather.csv', function(d) {
			//data.forEach(function(d) {
			//dataset.push(d.precipitation);
			return {
				//max: d.Maximum,
				//min: d.Minimum,
				//month: d.Month,
				precipitation: d.Precipitation
				//speed: d.Speed,
				//state: d.State,
				//year: d.Year
			};
		}, function(d) {
			dataset.push(d.precipitation); 
		});
		
		
		
		var temp;
		var string;
		for(var i = 0; i < numBars; i++) {
			string = dataset.get(i);
			state = states.get(i);
			temp = {state: string};
			dataset.push(temp);
		}*/
		
		//var dataset = data.slice(0, numBars + 1);
		//max vs min
		/*
		var dataset = [];
		dataset.push([46, 32]);
		dataset.push([47, 31]);
		dataset.push([51, 41]);
		dataset.push([52, 38]);
		dataset.push([38, 29]);
		*/
		
		
		dataset = [{max: 46, min: 32, state: "Alabama"},
					{max: 47, min: 31, state: "Alabama"},
					{max: 51, min: 41, state: "Alabama"},
					{max: 52, min: 38, state: "Alabama"},
					{max: 38, min: 29, state: "Alaska"}];
		
		//scale function
		var xScale = d3.scaleLinear()
			//.domain(["Alabama","Alaska","Arizona","Arkansas","California"])
			.domain([0, d3.max(dataset, function(d) { return d.max; })])
			//.range([padding, w-padding * 2]);
			.range([padding, w - padding * 2]);
			
		var yScale = d3.scaleLinear()
			.domain([0, d3.max(dataset, function(d) { return d.min; })])
			//.range([padding, w-padding * 2]);
			.range([h - padding, padding]);
		
		var xAxis = d3.axisBottom().scale(xScale).ticks(5);
		
		var yAxis = d3.axisLeft().scale(yScale).ticks(5);
		
		//create svg element
		var svg = d3.select("body")
					.append("svg")
					.attr("width", w)
					.attr("height", h);
					
		svg.selectAll("circle")
			.data(dataset)
			.enter()
			.append("circle")
			.attr("cx", function(d) {
				return xScale(d.max);
			})
			.attr("cy", function(d) {
				return h - yScale(d.min);
			})
			.attr("r", 5)
			.attr("fill", "green");
			
		//x axis
		svg.append("g")
			.attr("class", "x axis")	
			.attr("transform", "translate(0," + (h - padding) + ")")
			.call(xAxis);
		
		//y axis
		svg.append("g")
			.attr("class", "y axis")	
			.attr("transform", "translate(" + padding + ", 0)")
			.call(yAxis);
			
		svg.select("rect")
			.enter()
			.append("rect")
			.attr("x", w - 50)
			.attr("y", 50)
			.attr("width", 50)
			.attr("height", 50);
			
		svg.selectAll("text")
			.enter()
			.append("text")
			.text(function(d) {
				return d.state;
			})
			.attr("x", function(d, i) {
				return xScale(i) + padding;//, + xScale.bandwidth() / 2;
			})
			.attr("y", function(d) {
				return h - yScale(d.value) + padding;
			})
			.attr("font-family", "sans-serif")
			.attr("font-size", "11px")
			.attr("fill", function(d) {
				if (d.state.equals("Alabama")) {
					return "blue";
				}
				return "blue";
			});
			
		
		</script>
	</body>
</html>

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