com.datastax.data.exploration.biz.chiSquare.ChiSquare Maven / Gradle / Ivy
package com.datastax.data.exploration.biz.chiSquare;
import org.apache.commons.math3.stat.inference.ChiSquareTest;
/**
* @author songfu 2018/1/16
*
* 卡方验证:卡方值,p值
*/
public class ChiSquare {
private static ChiSquareTest chi = new org.apache.commons.math3.stat.inference.ChiSquareTest();
public static double chiValue(long[][] counts) {
return chi.chiSquare(counts);
}
public static double chiPvalue(long[][] counts) {
return chi.chiSquareTest(counts);
}
}