1 package org.djutils.stats.summarizers; 2 3 import java.io.Serializable; 4 5 /** 6 * The Tally interface defines the methods to be implemented by a tally object, which ingests a series of values and provides 7 * mean, standard deviation, etc. of the ingested values. This basic interface definews the methods that all tallies share. 8 * <p> 9 * Copyright (c) 2002-2022 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See 10 * for project information <a href="https://simulation.tudelft.nl/" target="_blank"> https://simulation.tudelft.nl</a>. The DSOL 11 * project is distributed under a three-clause BSD-style license, which can be found at 12 * <a href="https://simulation.tudelft.nl/dsol/3.0/license.html" target="_blank"> 13 * https://simulation.tudelft.nl/dsol/3.0/license.html</a>. <br> 14 * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank"> Alexander Verbraeck</a> 15 * @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a> 16 */ 17 public interface BasicTallyInterface extends Serializable 18 { 19 /** 20 * initializes the Tally. This methods sets the max, min, n, sum and variance values to their initial values. 21 */ 22 void initialize(); 23 24 /** 25 * returns the description of this tally. 26 * @return Sting description 27 */ 28 String getDescription(); 29 30 /** 31 * Returns the number of observations. 32 * @return long n 33 */ 34 long getN(); 35 36 /** 37 * Returns the max. 38 * @return double 39 */ 40 double getMax(); 41 42 /** 43 * Returns the min. 44 * @return double 45 */ 46 double getMin(); 47 48 }