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BA-plotteR – A web tool for generating Bland-Altman plots and constructing limits of agreement
Research in Veterinary Science ( IF 2.2 ) Pub Date : 2021-05-25 , DOI: 10.1016/j.rvsc.2021.05.017
Joachim Goedhart 1 , Mark Rishniw 2
Affiliation  

Investigators use Bland-Altman plot (Limits of Agreement plot) to compare two methods measuring the same continuous variable to determine interchangeability or agreement of the methods. The method has evolved to deal with heteroscedastic data and fixed or proportional biases (or both). Although an ordinary Bland-Altman plot can be readily made with various software applications, there is no free, open-source application that is dedicated to producing Bland-Altman plots and constructing limits of agreement for data that do not meet the assumptions of a simple comparison. To fill this gap, we created BA-plotteR, a web-based, open-source, freeware tool created in Shiny/R that is dedicated to creating Bland-Altman plots. We validated the tool using 20 datasets with various data distributions by comparing the output from the tool against manually derived results. The webtool handles data that requires a more complex analysis than is commonly available through commercial statistical programs. Moreover, the automated analysis of the data distribution will guide users and help them to correctly plot and analyse their data. The tool agreed perfectly with manually constructed plots. The Bland-Altman graphing tool provides clinical researchers with a tool that correctly analyzes and graphs studies involved in method comparisons. The tool can be accessed here: https://huygens.science.uva.nl/BA-plotteR.



中文翻译:

BA-plotteR – 用于生成 Bland-Altman 图和构建一致性限制的网络工具

研究人员使用 Bland-Altman 图(一致性图)来比较测量相同连续变量的两种方法,以确定方法的互换性或一致性。该方法已经演变为处理异方差数据和固定或比例偏差(或两者)。尽管可以使用各种软件应用程序轻松制作普通的 Bland-Altman 图,但没有免费的开源应用程序专门用于生成 Bland-Altman 图并为不满足简单假设的数据构建一致性限制比较。为了填补这一空白,我们创建了 BA-plotteR,这是一个基于 Web 的开源免费软件工具,在 Shiny/R 中创建,专门用于创建 Bland-Altman 绘图。我们通过将工具的输出与手动导出的结果进行比较,使用 20 个具有各种数据分布的数据集验证了该工具。与通过商业统计程序通常可获得的数据相比,该网络工具处理的数据需要更复杂的分析。此外,数据分布的自动化分析将指导用户并帮助他们正确地绘制和分析他们的数据。该工具与手动构建的图完全一致。Bland-Altman 绘图工具为临床研究人员提供了一种工具,可以正确分析和绘制方法比较中涉及的研究。该工具可在此处访问:https://huygens.science.uva.nl/BA-plotteR。数据分布的自动分析将指导用户并帮助他们正确地绘制和分析他们的数据。该工具与手动构建的图完全一致。Bland-Altman 绘图工具为临床研究人员提供了一种工具,可以正确分析和绘制方法比较中涉及的研究。该工具可在此处访问:https://huygens.science.uva.nl/BA-plotteR。数据分布的自动分析将指导用户并帮助他们正确地绘制和分析他们的数据。该工具与手动构建的图完全一致。Bland-Altman 绘图工具为临床研究人员提供了一种工具,可以正确分析和绘制方法比较中涉及的研究。该工具可在此处访问:https://huygens.science.uva.nl/BA-plotteR。

更新日期:2021-05-30
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