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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
svg { | |
width: 100%; | |
height: 100%; | |
} | |
</style> | |
</head> | |
<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<style> /* set the CSS */ | |
.bar { fill: steelblue; } | |
</style> | |
</head> | |
<body> | |
<div style="border:1px red dotted;" id="graph"></div> | |
<!-- load the d3.js library --> | |
<script src="//d3js.org/d3.v4.min.js"></script> | |
<script> | |
// set the dimensions and margins of the graph | |
var margin = {top: 20, right: 20, bottom: 30, left: 40}; | |
var width = 960 - margin.left - margin.right; | |
var height = 500 - margin.top - margin.bottom; | |
// set the ranges | |
var x = d3.scaleBand() | |
.range([0, width]) | |
.padding(0.1); | |
var y = d3.scaleLinear() | |
.range([height, 0]); | |
// append the svg object to the body of the page | |
// append a 'group' element to 'svg' | |
// moves the 'group' element to the top left margin | |
var svg = d3.select("#graph").append("svg") | |
.attr("viewBox", "0 0 1200 1100") | |
.append("g") | |
.attr("transform", | |
"translate(" + margin.left + "," + margin.top + ")"); | |
// get the data | |
d3.csv("sales.csv", function(error, data) { | |
if (error) throw error; | |
// format the data | |
data.forEach(function(d) { | |
d.sales = +d.sales; | |
}); | |
// Scale the range of the data in the domains | |
x.domain(data.map(function(d) { return d.salesperson; })); | |
y.domain([0, d3.max(data, function(d) { return d.sales; })]); | |
// append the rectangles for the bar chart | |
svg.selectAll(".bar") | |
.data(data) | |
.enter().append("rect") | |
.attr("class", "bar") | |
.attr("x", function(d) { return x(d.salesperson); }) | |
.attr("width", x.bandwidth()) | |
.attr("y", function(d) { return y(d.sales); }) | |
.attr("height", function(d) { return height - y(d.sales); }); | |
// add the x Axis | |
svg.append("g") | |
.attr("transform", "translate(0," + height + ")") | |
.call(d3.axisBottom(x)); | |
// add the y Axis | |
svg.append("g") | |
.call(d3.axisLeft(y)); | |
}); | |
</script> | |
</body> |
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salesperson | sales | |
---|---|---|
Bob | 33 | |
Robin | 12 | |
Anne | 41 | |
Mark | 16 | |
Joe | 59 | |
Eve | 38 | |
Karen | 21 | |
Kirsty | 25 | |
Chris | 30 | |
Lisa | 47 | |
Tom | 5 | |
Stacy | 20 | |
Charles | 13 | |
Mary | 29 |
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