Java tutorial
package es.upm.oeg.tools.rdfshapes.libdemo; import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics; /** * Copyright 2014-2016 Ontology Engineering Group, Universidad Politcnica de Madrid, Spain * <p> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @author Nandana Mihindukulasooriya * @since 1.0.0 */ public class CommonsMathDemo { public static void main(String[] args) { DescriptiveStatistics stats = new DescriptiveStatistics(); int inputArray[] = { 3, 4, 5, 6, 2, 3, 4, 3, 3, 4, 3, 6, 3, 2, 3, 1, 2, 1, 1, 1, 3 }; // Add the data from the array for (int i = 0; i < inputArray.length; i++) { stats.addValue(inputArray[i]); } double mean = stats.getMean(); double std = stats.getStandardDeviation(); double median = stats.getPercentile(50); System.out.println("mean" + stats.getMean()); System.out.println("standard deviation" + stats.getStandardDeviation()); System.out.println("skewness" + stats.getSkewness()); } }