Public
Edited
Aug 1, 2023
77 forks
Importers
11 stars
Global temperature trendsBeeswarm, Log ScaleContoursDensity contoursBubble chart componentCircle packing componentExploring Data with Vega-LiteStreaming data into VegaVega-Lite Line ChartBrushable scatterplotVega-Lite ScatterplotNight Skies — Lights and Light Pollution WebGL GlobePhysics based t-SNEGraphvizRidgeline plotZoomable sunburstHierarchical edge bundlingMethods of Comparison, ComparedChord diagramA Guide to Guides: Axes & Legends in VegaPSR B1919+21HexbinStacked-to-grouped barsTree of LifeHeat indexZoomable circle packingMarimekkoVizsla and Vega-LiteDirectly labelling linesParallel coordinatesCollapsible treeTangled tree visualizationMarey’s TrainsWorld History TimelineSmall multiple chart cartogramThe Real MVP in the NBAAnimated treemapDensity Contour Matrix with BrushingStars and constellationsHertzsprung–Russell diagramThe Coronavirus landscapeGitHub BurndownCandlestick ChartConcentration values vs. TimeA few days of CO2 levels in my homeIrregular bins histogramELD ViewerDistributions and summary statistics - a collection of Plot examplesMermaidBivariate Bubble MapD3 galleryCalendarStacked bar chartDot plotConnected scatterplotCandlestick chartForce-directed graphDisjoint force-directed graphIndex chartSankey diagramLine chart, percent changeStacked area chartBubble chartArea chartHorizontal bar chartRadial tidy treeCircle packingIcicleStreamgraphTidy treeCluster treeSunburstHorizon chartBox plotScatterplotDifference chartBand chartBar chart transitionsTreemapLine chart, multiple seriesScatterplot matrixBrushable scatterplot matrixPlayfair's Wheat and Wages
Histogram
Also listed in…
Gallery
chart = {
// Declare the chart dimensions and margins.
const width = 960;
const height = 500;
const marginTop = 20;
const marginRight = 20;
const marginBottom = 30;
const marginLeft = 40;
// Bin the data.
const bins = d3.bin()
.thresholds(40)
.value((d) => d.rate)
(unemployment);
// Declare the x (horizontal position) scale.
const x = d3.scaleLinear()
.domain([bins[0].x0, bins[bins.length - 1].x1])
.range([marginLeft, width - marginRight]);
// Declare the y (vertical position) scale.
const y = d3.scaleLinear()
.domain([0, d3.max(bins, (d) => d.length)])
.range([height - marginBottom, marginTop]);
// Create the SVG container.
const svg = d3.create("svg")
.attr("width", width)
.attr("height", height)
.attr("viewBox", [0, 0, width, height])
.attr("style", "max-width: 100%; height: auto;");
// Add a rect for each bin.
svg.append("g")
.attr("fill", "steelblue")
.selectAll()
.data(bins)
.join("rect")
.attr("x", (d) => x(d.x0) + 1)
.attr("width", (d) => x(d.x1) - x(d.x0) - 1)
.attr("y", (d) => y(d.length))
.attr("height", (d) => y(0) - y(d.length));
// Add the x-axis and label.
svg.append("g")
.attr("transform", `translate(0,${height - marginBottom})`)
.call(d3.axisBottom(x).ticks(width / 80).tickSizeOuter(0))
.call((g) => g.append("text")
.attr("x", width)
.attr("y", marginBottom - 4)
.attr("fill", "currentColor")
.attr("text-anchor", "end")
.text("Unemployment rate (%) →"));
// Add the y-axis and label, and remove the domain line.
svg.append("g")
.attr("transform", `translate(${marginLeft},0)`)
.call(d3.axisLeft(y).ticks(height / 40))
.call((g) => g.select(".domain").remove())
.call((g) => g.append("text")
.attr("x", -marginLeft)
.attr("y", 10)
.attr("fill", "currentColor")
.attr("text-anchor", "start")
.text("↑ Frequency (no. of counties)"));
// Return the SVG element.
return svg.node();
}
unemployment = FileAttachment("unemployment-x.csv").csv({typed: true})
Plot.plot({
width: 960,
height: 500,
marks: [
Plot.rectY(unemployment, Plot.binX({y: "count"}, {x: "rate", fill: "steelblue"})),
Plot.ruleY([0])
]
})
Plot.rectY(unemployment, Plot.binX({y: "count"}, {x: "rate"})).plot()
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.
