Function bandwidth

docs/app/js/sanddance-app.js:119451–119456

(_)

            } else return support;
        },
        bandwidth (_) {
            if (!arguments.length) return bandwidth;
            bandwidth = _;
            if (!bandwidth && support) bandwidth = estimateBandwidth(support);
            return dist;
        },
        sample () {
            return support[~~(random() * n)] + bandwidth * kernel.sample();
        },