str = "de156a2fc8"
str.length
"fd94de585b2c3ba5".length
Math.random().toString(16).slice(2, 2 + str.length)
chars = [...str]
Plot.auto(chars, { x: (d) => d }).plot({ height: 80 })
Plot.auto(chars, { x: (d) => d }).plot({
height: 80,
x: { domain: d3.range(0, 16).map((d) => d.toString(16)) }
})
getRandomHex = () => Math.random().toString(16).slice(2, 2 + str.length)
ex = getRandomHex()
usesDigitMultipleTimes = (str) =>
d3.rollups([...str], (arr) => arr.length, (d) => d)
.filter(([, count]) => count > 1).length > 0
usesDigitMultipleTimes(ex)
d3.range(10).map(getRandomHex).map(n => [n, usesDigitMultipleTimes(n)].join(" ")).join("\n")
getFraction = (n, generator, predicate) => d3.range(n).map(generator).filter(predicate).length / n
frac = getFraction(1000, getRandomHex, usesDigitMultipleTimes)
d3.format(".1%")(frac)
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.
