Java tutorial
/** * Copyright (c) 2006-2010 Berlin Brown and botnode.com/Berlin Research All Rights Reserved * * http://www.opensource.org/licenses/bsd-license.php * All rights reserved. * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the Botnode.com (Berlin Brown) nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Date: 1/23/2010 * Description: Social Networking Site Document Analysis * Home Page: http://botnode.com/ * * Contact: Berlin Brown <berlin dot brown at gmail.com> */ package org.bresearch.websec.test; import java.util.List; import junit.framework.TestCase; import junit.framework.TestSuite; import junit.textui.TestRunner; import org.apache.commons.math.stat.descriptive.DescriptiveStatistics; import org.bresearch.websec.test.nontest.ConstDoc; import org.bresearch.websec.utils.botlist.BotlistStringUtils; import org.bresearch.websec.utils.botlist.stats.DocumentWordStats; import org.bresearch.websec.utils.botlist.text.WordProcessor; public class CommonsMathTest extends TestCase { public void test1() throws Exception { /* min, max, mean, geometric mean, n, sum, sum of squares, * standard deviation, variance, percentiles, skewness, kurtosis, median */ // Get a DescriptiveStatistics instance using factory method DescriptiveStatistics stats = new DescriptiveStatistics(); final double[] inputArray = { 4, 3, 3, 2 }; // Add the data from the array for (int i = 0; i < inputArray.length; i++) { stats.addValue(inputArray[i]); } // Compute some statistics double mean = stats.getMean(); double std = stats.getStandardDeviation(); long n = stats.getN(); assertEquals("3.0", "" + mean); assertEquals("0.816496580927726", "" + std); } public void test2() { final String data2 = (new WordProcessor()).filterOnlyAlphaNumeric( " !!! Hello my name is a person. Hello how are you doing. hello, this is great. What do you think? "); final BotlistStringUtils utils = new BotlistStringUtils(); final List<String> a = utils.buildWordList(data2); assertEquals(27, a.size()); DescriptiveStatistics stats = new DescriptiveStatistics(); for (int i = 0; i < utils.mapReduceCount(a, -1).length; i++) { stats.addValue(utils.mapReduceCount(a, -1)[i]); } // Compute some statistics double mean = stats.getMean(); double std = stats.getStandardDeviation(); assertEquals("1.2666666666666666", "" + mean); assertEquals("0.5936168397046634", "" + std); long n = stats.getN(); assertEquals("15", "" + n); } public void test3() { final String data2 = (new WordProcessor()).filterOnlyAlphaNumeric( " !!! Hello my name is a person. Hello how are you doing. hello, this is great. What do you think? "); final BotlistStringUtils utils = new BotlistStringUtils(); final List<String> a = utils.buildWordList(data2); DescriptiveStatistics stats = new DescriptiveStatistics(); for (int i = 0; i < utils.mapReduceWordSize(a, -1).length; i++) { stats.addValue(utils.mapReduceWordSize(a, -1)[i]); } // Compute some statistics assertEquals("3.6", "" + stats.getMean()); assertEquals("54.0", "" + stats.getSum()); } public void test4() { final DocumentWordStats docStats = new DocumentWordStats(ConstDoc.CONST); final DescriptiveStatistics stats = docStats.mapReduceStats(); /* System.out.println("" + stats.getMean()); System.out.println("" + stats.getN()); System.out.println("" + stats.getGeometricMean()); System.out.println("" + stats.getMax()); */ } public void test5() { final DocumentWordStats docStats = new DocumentWordStats(ConstDoc.CONST_SM); final DescriptiveStatistics stats = docStats.mapReduceStats(); System.out.println("" + stats.getSum()); System.out.println("" + stats.getMean()); System.out.println("" + stats.getN()); System.out.println("" + stats.getGeometricMean()); System.out.println("" + stats.getMax()); } public static void main(String args[]) { TestSuite suite = new TestSuite(); suite.addTestSuite(CommonsMathTest.class); TestRunner.run(suite); return; } } // End of the Class //