Washington DC software engineer
Public
Edited
Mar 13, 2023
// Define the data
species = ['Blue Shark', 'Blacktip Shark', 'Smooth Dogfish', 'Blackfin Tuna', 'Yellowfin Tuna', 'Bluefin Tuna', 'White Marlin', 'Blue Marlin', 'Sailfish', 'Skipjack Tuna', 'Dolphinfish']
weight = [[75, 400], [35, 50], [20, 30], [10, 35], [35, 300], [450, 550], [50, 150], [250, 750], [100, 250], [15, 45], [25, 50]];
// Create the SVG element
Plot.plot({
marks: [
Plot.dot(species, {
x: weight,
y: "economy (mpg)",
fill: "economy (mpg)",
r: "power (hp)",
symbol: "triangle"
}),
Plot.ruleY([0])
],
x: { label: "Horsepower" },
y: { label: "Gas mileage (mpg)" },
color: { scheme: "magma", legend: true, label: "mpg" },
grid: true
})
// Define the scales
xScale = d3.scaleBand()
.domain(species)
.range([50, 750])
.paddingInner(0.1);
yScale = d3.scaleLinear()
.domain([0, d3.max(weight, function(d) { return d[1]; })])
.range([550, 50]);
// Create the bars
svg.selectAll('rect')
.data(weight)
.enter()
.append('rect')
.attr('x', function(d, i) { return xScale(species[i]); })
.attr('y', function(d) { return yScale(d[1]); })
.attr('width', xScale.bandwidth())
.attr('height', function(d) { return yScale(d[0]) - yScale(d[1]); })
.attr('fill', 'steelblue');
// Add the axes
svg.append('g')
.attr('transform', 'translate(50, 550)')
.call(d3.axisBottom(xScale));
svg.append('g')
.attr('transform', 'translate(50, 50)')
.call(d3.axisLeft(yScale));
// Add the chart title
svg.append('text')
.attr('x', 400)
.attr('y', 30)
.attr('text-anchor', 'middle')
.text('Fish Weight Chart');
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