Software engineer at Hugging Face. Prototyping here with JS, d3, three.js.
draw(rectangular(N, amplitude))
draw(bartlett(N, amplitude))
draw(parzen(N, amplitude))
draw(tukey(N, amplitude, alpha))
rectangular = (N, amplitude) => {
return Array(N + 1).fill(amplitude);
}
bartlett = (N, amplitude) => {
return rectangular(N, amplitude).map((y, n) => y * (1 - Math.abs((2 * n) / N - 1)));
}
parzen = (N, amplitude) => {
const L = N + 1;
const f1 = (y, n) => {
const r = Math.abs((2 * n) / L);
return y * (1 - 6 * r ** 2 * (1 - r));
};
const f2 = (y, n) => {
const r = Math.abs((2 * n) / L);
return y * 2 * (1 - r) ** 3;
};
return rectangular(N, amplitude).map((y, n) =>
Math.abs(n - N / 2) > L / 4 && Math.abs(n - N / 2) <= L / 2
? f2(y, n - N / 2)
: f1(y, n - N / 2)
);
}
tukey = (N, amplitude, alpha) => {
const L = N + 1;
const c1 = (L * alpha) / 2;
const c2 = Math.PI / c1;
const f1 = (y, n) => {
return y * 0.5 * (1 - Math.cos(c2 * n));
};
return rectangular(N, amplitude).map((y, n) =>
n < c1 ? f1(y, n) : n > N - c1 ? f1(y, N - n) : y
);
}
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.
