1 /*
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 */
17 package org.apache.commons.statistics.examples.distribution;
18
19 /**
20 * Define the distribution function.
21 */
22 enum DistributionFunction {
23 /** Probability Density Function. */
24 PDF,
25 /** Natural Logarithm of the Probability Density Function. */
26 LPDF,
27 /** Probability Mass Function. */
28 PMF,
29 /** Natural Logarithm of the Probability Mass Function. */
30 LPMF,
31 /** Cumulative Probability Density Function. */
32 CDF,
33 /** Inverse Cumulative Probability Density Function. */
34 ICDF,
35 /** Survival Probability Function. */
36 SF,
37 /** Inverse Survival Probability Function. */
38 ISF
39 }