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Data Extraction from Graphs Using Adobe Photoshop: Applications for Meta-Analyses

机译:使用Adobe Photoshop从图形中提取数据:用于荟萃分析的应用程序

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摘要

Graphs, an effective form of data presentation, are used for summarizing complex information and making them easier to understand. Extracting numerical data from graphs, which is commonly required in systematic reviews and meta-analyses, is however a challenging issue. Since this kind of results presentation is common, ignorance of such data may result in publication bias when conducting meta-analyses. On the other hand, contacting the authors of a particular publication in order to retrieve the data may take a long time and is often not very fruitful. In this case, there are a few software and methods that may be used for data extraction; however, using these software is costly and not simple as well as different types of graphs need different extraction methods. Here, we have described a simple reproducible method for extracting data from graphs using Adobe Photoshop.
机译:图形是数据表示的一种有效形式,用于汇总复杂信息并使它们更易于理解。但是,从图形中提取数值数据通常是系统的审查和荟萃分析所必需的,这是一个具有挑战性的问题。由于这种结果表示很常见,因此在进行荟萃分析时,对此类数据的不了解可能会导致发表偏见。另一方面,与特定出版物的作者联系以检索数据可能会花费很长时间,并且通常收效甚微。在这种情况下,可以使用一些软件和方法来进行数据提取。但是,使用这些软件非常昂贵且不简单,并且不同类型的图形需要不同的提取方法。在这里,我们描述了一种使用Adobe Photoshop从图形中提取数据的简单可重现方法。

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