VictorDu/index.html

## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>

    .bar {
        fill: steelblue;
    }

    .bar:hover {
        fill: brown;
    }

    .axis {
        font: 10px sans-serif;
    }

    .axis path,
    .axis line {
        fill: none;
        stroke: #000;
        shape-rendering: crispEdges;
    }

    .x.axis path {
        display: none;
    }

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

    var margin = {top: 20, right: 20, bottom: 30, left: 40},
            width = 1024 - margin.left - margin.right,
            height = 798 - margin.top - margin.bottom;

    var x = d3.scale.linear()
            .range([0, width]);

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

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

    var yAxis = d3.svg.axis()
            .scale(y)
            .orient("left");

    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 + ")");

    function type(d) {
        d.total_bedrooms = +d.total_bedrooms;
        d.number = +d.number;
        return d;
    }

    d3.csv("https://gist.githubusercontent.com/VictorDu/fbd642275a936c99c90c/raw/412276f252fa93b23cd5c6d2f68e8fbb66fe2112/cadata.csv",type, function(error, data) {
        if (error) throw error;

        x.domain(d3.extent(data, function(d) { return +d.number; }));
        y.domain(d3.extent(data, function(d) { return +d.total_bedrooms; }));

        svg.append("g")
                .attr("class", "y axis")
                .call(yAxis)
                .append("text")
                .attr("transform", "rotate(-90)")
                .attr("y", 6)
                .attr("dy", ".71em")
                .style("text-anchor", "end")
                .text("Total bedrooms");

        var w = x(data[1].number) - x (data[0].number);
        console.log(w);
        svg.selectAll(".bar")
                .data(data)
                .enter().append("rect")
                .attr("class", "bar")
                .attr("x", function(d) { return x(d.number); })
                .attr("width", w)
                .attr("y", function(d) { return y(d.total_bedrooms); })
                .attr("height", function(d) { return height - y(d.total_bedrooms); });
    });
</script>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	.bar {
	fill: steelblue;
	}

	.bar:hover {
	fill: brown;
	}

	.axis {
	font: 10px sans-serif;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}

	.x.axis path {
	display: none;
	}

	</style>
	<body>
	<script src="//d3js.org/d3.v3.min.js"></script>
	<script>

	var margin = {top: 20, right: 20, bottom: 30, left: 40},
	width = 1024 - margin.left - margin.right,
	height = 798 - margin.top - margin.bottom;

	var x = d3.scale.linear()
	.range([0, width]);

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

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

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left");

	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 + ")");

	function type(d) {
	d.total_bedrooms = +d.total_bedrooms;
	d.number = +d.number;
	return d;
	}

	d3.csv("https://gist.githubusercontent.com/VictorDu/fbd642275a936c99c90c/raw/412276f252fa93b23cd5c6d2f68e8fbb66fe2112/cadata.csv",type, function(error, data) {
	if (error) throw error;

	x.domain(d3.extent(data, function(d) { return +d.number; }));
	y.domain(d3.extent(data, function(d) { return +d.total_bedrooms; }));

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)
	.append("text")
	.attr("transform", "rotate(-90)")
	.attr("y", 6)
	.attr("dy", ".71em")
	.style("text-anchor", "end")
	.text("Total bedrooms");

	var w = x(data[1].number) - x (data[0].number);
	console.log(w);
	svg.selectAll(".bar")
	.data(data)
	.enter().append("rect")
	.attr("class", "bar")
	.attr("x", function(d) { return x(d.number); })
	.attr("width", w)
	.attr("y", function(d) { return y(d.total_bedrooms); })
	.attr("height", function(d) { return height - y(d.total_bedrooms); });
	});
	</script>