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 * https://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
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22 package org.hipparchus.stat.inference;
23
24 /**
25 * Represents an alternative hypothesis for a hypothesis test.
26 *
27 */
28 public enum AlternativeHypothesis {
29
30 /**
31 * Represents a two-sided test. H0: p=p0, H1: p ≠ p0
32 */
33 TWO_SIDED,
34
35 /**
36 * Represents a right-sided test. H0: p ≤ p0, H1: p > p0.
37 */
38 GREATER_THAN,
39
40 /**
41 * Represents a left-sided test. H0: p ≥ p0, H1: p < p0.
42 */
43 LESS_THAN
44 }