Java编程实现二项分布的采样或抽样实例代码

javascript/47449.html">java;">package function;import org.apache.commons.math3.distribution.BetaDistribution;import org.apache.commons.math3.distribution.BinomialDistribution;import org.apache.commons.math3.special.Gamma;public class dergamma {	//采样1000次	public static void main(String[] args) {		for (int i = 0; i < 1000; i++) {			System.out.println(binomialsampler(100,0.9));		}	}	//二项分布采样	public static double binomialsampler(int trials, double p){		BinomialDistribution binomial=new BinomialDistribution(trials,p);		return binomial.sample();	}}