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相关概念视频

Null and Alternative Hypotheses01:16

Null and Alternative Hypotheses

8.1K
The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These hypotheses contain opposing viewpoints.
The null hypothesis, denoted by H0 is a statement of no difference between the variables—they are not related. This can often be considered the status quo. As  a result if you cannot accept the null, it requires some action.
The alternative hypothesis, denoted by H1 or Ha, is a claim about the...
8.1K
Decision Making: P-value Method01:09

Decision Making: P-value Method

5.3K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.3K
Types of Hypothesis Testing01:11

Types of Hypothesis Testing

26.3K
There are three types of hypothesis tests: right-tailed, left-tailed, and two-tailed.
When the null and alternative hypotheses are stated, it is observed that the null hypothesis is a neutral statement against which the alternative hypothesis is tested. The alternative hypothesis is a claim that instead has a certain direction. If the null hypothesis claims that p = 0.5, the alternative hypothesis would be an opposing statement to this and can be put either p > 0.5, p < 0.5, or p...
26.3K
Errors In Hypothesis Tests01:14

Errors In Hypothesis Tests

4.2K
When performing a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis and the decision to reject or not.
4.2K
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

4.0K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.0K
Accuracy and Errors in Hypothesis Testing01:13

Accuracy and Errors in Hypothesis Testing

199
Hypothesis testing is a fundamental statistical tool that begins with the assumption that the null hypothesis H0 is true. During this process, two types of errors can occur: Type I and Type II. A Type I error refers to the incorrect rejection of a true null hypothesis, while a Type II error involves the failure to reject a false null hypothesis.
In hypothesis testing, the probability of making a Type I error, denoted as α, is commonly set at 0.05. This significance level indicates a 5%...
199

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相关实验视频

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Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

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关于在假设测试中的麻烦参数消除原则

Andrés Felipe Flórez Rivera1, Luis Gustavo Esteves1, Victor Fossaluza1

  • 1Institute of Mathematics and Statistics, University of São Paulo, São Paulo 05508-090, Brazil.

Entropy (Basel, Switzerland)
|February 23, 2024
PubMed
概括

非信息性麻烦参数原则简化了使用麻烦参数的统计推断. 混合测试在离散空间中遵循这一原则,为计数数据的假设测试提供了方便.

科学领域:

  • 统计 统计 统计 统计
  • 统计推理 统计推理
  • 假设测试 假设测试

背景情况:

  • 麻烦参数使统计推断复杂化.
  • 非信息性骚扰参数原则为处理这些参数提供了一个框架.
  • 假设测试是一个核心的统计问题,经常受到麻烦参数的影响.

研究的目的:

  • 在假设测试中检查非信息性骚扰参数原则.
  • 为了证明混合试验在离散的样本空间中遵守了这一原则.
  • 为了证明这种坚持如何简化测试性能.

主要方法:

  • 对非信息性骚扰参数原理的理论分析.
  • 在离散的样本空间中进行混合测试的粘附证明.
  • 在计数数据假设测试中应用到众所周知的问题.

主要成果:

  • 混合测试已被证明符合离散样本空间的非信息性骚扰参数原则.
  • 遵守该原则简化了混合测试的执行.
  • 提供了新的解决方案,用于用计数数据测试假设.

结论:

关键词:
贝叶斯因子是一个贝叶斯因子.假设测试 测试 假设测试概率函数是一个概率函数.在p-value中,p值是指p值.

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  • 非信息性麻烦参数原则为统计推断提供了有价值的指导方针.
  • 混合测试是测试假设的有效工具,特别是用计数数据.
  • 简化测试性能可以提高统计方法的实用性.