为了具有价值,高通量表型化方法的比较需要对偏差和差异进行统计测试
Justin M McGrath1,2, Matthew H Siebers1,2, Peng Fu3,4
1Global Change and Photosynthesis Research Unit, USDA-Agricultural Research Service (ARS), Urbana, IL, United States.
不恰当的统计比较,比如皮尔森的相关系数 (r),阻碍了基因组学和现象学的发展. 比较差异为验证新技术和推动科学发现提供了更准确的方法.
科学领域:
- 基因组学和现象学
- 统计方法验证 统计方法验证
背景情况:
- 基因组学和现象学之间的越来越小的差距被错误的统计方法比较所减缓.
- 皮尔森相关系数 (r) 常用于评估方法质量,导致关于精度和准确性的错误结论.
研究的目的:
- 要突出皮尔森相关系数 (r) 和方法验证中的协议极限 (LOA) 的局限性.
- 提出差异比较作为一种优越的统计方法,用于高通量表型化和其他科学领域的方法验证.
主要方法:
- 对皮尔森相关系数 (r) 和协议极限 (LOA) 的方法比较进行批评.
- 介绍和倡导使用已建立的统计测试进行差异比较,需要重复测量.
主要成果:
- 皮尔森相关系数 (r) 和LOA可能导致对方法质量的错误结论,可能阻碍科学进步.
- 差异比较有效地识别了方法的可变性,并避免了与r和LOA相关的陷.
结论:
- 采用差异比较对于准确的方法验证在高通量表型化及其他领域至关重要.
- 这种方法将通过提供明确的方法接受,替代或有条件使用的标准来加快新技术的采用.
更多相关视频
16:23Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
Published on: February 26, 2014
05:53Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
相关概念视频
Statistical Inference Techniques in Hypothesis Testing: Parametric Versus Nonparametric Data
Parametric statistics, as the name suggests, assumes that data follow a specific distribution, often a normal distribution. This assumption enables robust hypothesis testing and estimation. Parametric methods, like the Student's t-test or Goodness-of-fit test, are frequently employed in biostatistics due to their robustness. For instance,...
Statistical Methods to Analyze Parametric Data: Student t-Test and Goodness-of-Fit Test
The Student's t-test is a statistical test that examines if there is a statistically significant difference between the means of two groups. This test is instrumental when dealing with...
Significance Testing: Overview
Behrens–Fisher Test
This test...
Accuracy and Errors in Hypothesis Testing
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%...
Chi-square Analysis
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
