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EBVL
Enrico Bertini's Visualization Lab
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Guides and Examples
Edited
Jan 10
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Guides and Examples
Introduction
JavaScript BasicsData TransformationSVG and D3 BasicsBar Chart Walk-throughLine and Area ChartsSelections and JoinsMapsChoropleth Color SchemesFundamental Graphs with D3Graphical Encoding ExamplesContextual Elements, Aesthetics, and ClaritySmall MultiplesSmall Multiples with Different AxesNetworksInteractionSocrata Open Data API & NYC Open DataStarting a sequential color scale at a darker color
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1 + 2
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num = 1 + 2
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num * 4
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newNum = {
const a = 5;
const b = 6;
return a * b;
}
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newNum * 2
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<p>This is <b>HTML</b></p>
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<svg width="200" height="100">
<rect fill="red" width="200" height="100">
</svg>
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This **Markdown**
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md`This is also *Markdown*`
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tex`E = mc^2`
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b = a * 2
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a = 30
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viewof radius = Inputs.range([0, 100], {label: "Radius", step: 1})
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radius
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viewof color = Inputs.color({label: "Color", value: "#4682b4"})
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<svg width="200" height="200">
<circle
cx=100
cy=100
r=${radius}
fill=${color}
/>
</svg>
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One platform to build and deploy the best data apps

Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.
Learn more