d2-ui
Version:
21 lines (16 loc) • 452 B
JavaScript
import ascending from "./ascending";
import number from "./number";
import quantile from "./quantile";
export default function(array, f) {
var numbers = [],
n = array.length,
a,
i = -1;
if (f == null) {
while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a);
}
else {
while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a);
}
return quantile(numbers.sort(ascending), 0.5);
}