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Commons Math example source code file (ZipfDistribution.java)

This example Commons Math source code file (ZipfDistribution.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons Math tags/keywords

deprecated, deprecated, integerdistribution, integerdistribution, zipfdistribution, zipfdistribution

The Commons Math ZipfDistribution.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

package org.apache.commons.math.distribution;

/**
 * The Zipf (or zeta) Distribution.
 * <p>
 * References:
 * <ul>
 * <li>Zipf
 * Distribution</a>
 * </ul>
 * </p>
 *
 * @version $Revision: 920852 $ $Date: 2010-03-09 07:53:44 -0500 (Tue, 09 Mar 2010) $
 */
public interface ZipfDistribution extends IntegerDistribution {

    /**
     * Get the number of elements (e.g. corpus size) for the distribution.
     *
     * @return the number of elements
     */
    int getNumberOfElements();

    /**
     * Set the number of elements (e.g. corpus size) for the distribution.
     * The parameter value must be positive; otherwise an
     * <code>IllegalArgumentException is thrown.
     *
     * @param n the number of elements
     * @throws IllegalArgumentException if n ≤ 0
     * @deprecated as of v2.1
     */
    @Deprecated
    void setNumberOfElements(int n);

    /**
     * Get the exponent characterising the distribution.
     *
     * @return the exponent
     */
    double getExponent();

    /**
     * Set the exponent characterising the distribution.
     * The parameter value must be positive; otherwise an
     * <code>IllegalArgumentException is thrown.
     *
     * @param s the exponent
     * @throws IllegalArgumentException if s ≤ 0.0
     * @deprecated as of v2.1
     */
    @Deprecated
    void setExponent(double s);
}
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