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Mandelbrot’s binomial time bending??
getRandomWalk = (n, initial, delta) => d3.range(n - 1)
.map(d => delta())
.reduce(
(acc, cur) => acc.concat([[
acc[acc.length-1][0] + 1,
acc[acc.length-1][1] * (1 + cur)
]]),
[[0, initial]]
)
distort = (data, recurse) => {
// nested only bc Observable's weird w recursion (it appears circular)
return recurser(data, recurse)
// btw i'd appreciate any code review re: how to make this cleaner lol
function recurser(data, recurse) {
if(!recurse) return data
const extent = d3.extent(data)
const warp = (extent[1] - extent[0]) * Math.random()
const cut = Math.floor(data.length / 2)
const cut1 = data.slice(0, cut)
const cut2 = data.slice(cut)
const scale1 = d3.scaleLinear()
.domain(d3.extent(cut1))
.range([extent[0], extent[0] + warp])
const scale2 = d3.scaleLinear()
.domain(d3.extent(cut2))
.range([extent[0] + warp, extent[1]])
return recurser(cut1.map(scale1), recurse - 1)
.concat(recurser(cut2.map(scale2), recurse - 1))
}
}
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