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.inference;
18
19 /**
20 * Represents a method for computing a p-value for a test statistic.
21 *
22 * @since 1.1
23 */
24 public enum PValueMethod {
25 /**
26 * Automatically choose the method to evaluate the p-value.
27 *
28 * <p>The choice will use heuristics based on the input data.
29 */
30 AUTO,
31
32 /**
33 * Use the exact distribution of the test statistic to evaluate the p-value.
34 */
35 EXACT,
36
37 /**
38 * Use the asymptotic distribution of the test statistic to evaluate the p-value.
39 */
40 ASYMPTOTIC,
41
42 /**
43 * Use an estimation method for the p-value.
44 * For example this may use random sampling or permutations.
45 */
46 ESTIMATE
47 }