Public
Edited
May 22, 2023
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questions = d3.shuffle(d3.cross(d3.range(0, 10), d3.range(0, 10)))
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op = operation === "+" ? (a, b) => a + b : (a, b) => a * b
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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.
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