kernelDensityFunction property
An approximate, nonparametric kernel density function.
Implementation
num Function(num) get kernelDensityFunction {
// Based on smooth Parzen estimate; see ESL p. 208-209.
final n = 100,
gap = (maximum - minimum) / n,
distributions = [...values.map((x) => Normal(x, gap))];
return (num x) =>
distributions.map((d) => d.pdf(x) / length).fold(0.0, (a, b) => a + b);
}