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Raymonddee08492015-04-02 10:43:13 -07001/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17package org.apache.commons.math.distribution;
18
19/**
20 * Student's t-Distribution.
21 *
22 * <p>
23 * References:
24 * <ul>
25 * <li><a href="http://mathworld.wolfram.com/Studentst-Distribution.html">
26 * Student's t-Distribution</a></li>
27 * </ul>
28 * </p>
29 *
30 * @version $Revision: 920852 $ $Date: 2010-03-09 13:53:44 +0100 (mar. 09 mars 2010) $
31 */
32public interface TDistribution extends ContinuousDistribution {
33 /**
34 * Modify the degrees of freedom.
35 * @param degreesOfFreedom the new degrees of freedom.
36 * @deprecated as of v2.1
37 */
38 @Deprecated
39 void setDegreesOfFreedom(double degreesOfFreedom);
40
41 /**
42 * Access the degrees of freedom.
43 * @return the degrees of freedom.
44 */
45 double getDegreesOfFreedom();
46}