Data Visualization Analyst @ Northwestern Mutual with an M.S. in Data Analysis and Visualization from the CUNY Graduate Center
Published
Edited
Sep 22, 2020
1 star
chart = {
const svg = d3.create("svg").attr("viewBox", [0, 0, width, height]);
svg.append("g").call(xAxis);
svg.append("g").call(yAxis);
svg.append("g").call(grid);
svg
.append("g")
.selectAll("circle")
.data(filter)
.join("circle")
.attr("cx", d => x(d.goal))
.attr("cy", d => y(d.pledged))
.attr("r", 3)
.attr("stroke", "none")
.attr("fill", d => color(d.state))
.append("title")
.text(
d =>
"Project name: " +
`${d.name}` +
" | " +
"Deadline: " +
`${d.deadline}`
);
return svg.node();
}
x = d3.scaleLinear()
.domain(d3.extent(data, d => d.goal)).nice()
.range([margin.left, width - margin.right])
y = d3.scaleLinear()
.domain(d3.extent(data, d => d.pledged)).nice()
.range([height - margin.bottom, margin.top])
xAxis = g => g
.attr("transform", `translate(0,${height - margin.bottom})`)
.call(d3.axisBottom(x).ticks(width / 80))
.call(g => g.select(".domain").remove())
.call(g => g.append("text")
.attr("x", width)
.attr("y", margin.bottom - 4)
.attr("fill", "currentColor")
.attr("text-anchor", "end")
.text(data.x))
yAxis = g => g
.attr("transform", `translate(${margin.left},0)`)
.call(d3.axisLeft(y))
.call(g => g.select(".domain").remove())
.call(g => g.append("text")
.attr("x", -margin.left)
.attr("y", 10)
.attr("fill", "currentColor")
.attr("text-anchor", "start")
.text(data.y))
grid = g => g
.attr("stroke", "currentColor")
.attr("stroke-opacity", 0.1)
.call(g => g.append("g")
.selectAll("line")
.data(x.ticks())
.join("line")
.attr("x1", d => 0.5 + x(d))
.attr("x2", d => 0.5 + x(d))
.attr("y1", margin.top)
.attr("y2", height - margin.bottom))
.call(g => g.append("g")
.selectAll("line")
.data(y.ticks())
.join("line")
.attr("y1", d => 0.5 + y(d))
.attr("y2", d => 0.5 + y(d))
.attr("x1", margin.left)
.attr("x2", width - margin.right));
color = d3.scaleOrdinal(
Array.from(new Set(data.map(d => d.state))),
d3.schemeSet2
)
margin = ({top: 25, right: 20, bottom: 35, left: 40})
height = 600
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
