Published
Edited
Jan 14, 2021
1 fork
md`# New Mexico COVID-19 Vaccination Progress`
url = "https://cvvaccine.nmhealth.org/api/GetVaccinesAdministered"
data = fetch(url).then(data => data.json())
reshaped = data.data.labels.map((label, i) => { const obj = {}; obj.date = new Date(label); obj.value = data.data.datasets[0].data[i]; return obj})
chart = {
const svg = d3.create("svg")
.attr("viewBox", [0, 0, width, height + 40]);
svg.append("g")
.call(xAxis);
svg.append("g")
.call(yAxis);
svg.append("path")
.datum(reshaped)
.attr("fill", "none")
.attr("stroke", "steelblue")
.attr("stroke-width", 1.5)
.attr("stroke-linejoin", "round")
.attr("stroke-linecap", "round")
.attr("d", line);
return svg.node();
}
line = d3.line()
.defined(d => !isNaN(d.value))
.x(d => x(d.date))
.y(d => y(d.value))
x = d3.scaleUtc()
.domain(d3.extent(reshaped, d => d.date))
.range([margin.left, width - margin.right])
y = d3.scaleLinear()
.domain([0, d3.max(reshaped, d => d.value)]).nice()
.range([height - margin.bottom, margin.top])
xAxis = g => g
.attr("transform", `translate(0,${height - margin.bottom})`)
.call(d3.axisBottom(x).tickFormat(d3.timeFormat("%Y-%m-%d")).ticks(width / 80).tickSizeOuter(0))
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", ".15em")
.attr("transform", "rotate(-65)");
yAxis = g => g
.attr("transform", `translate(${margin.left},0)`)
.call(d3.axisLeft(y))
.call(g => g.select(".domain").remove())
.call(g => g.select(".tick:last-of-type text").clone()
.attr("x", 3)
.attr("text-anchor", "start")
.attr("font-weight", "bold")
.text(data.y))
margin = ({top: 20, right: 30, bottom: 30, left: 40})
height = 500
d3 = require("d3@6")
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.
