semPlot: Unified Visualizations of Structural Equation Models
semPlot: Unified Visualizations of Structural Equation Models
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DOI：
10.1080/10705511.2014.937847
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发表时间：
2015-07-03
影响因子：
6
通讯作者：
Epskamp, Sacha
中科院分区：
文献类型：
--
作者：
Epskamp, Sacha
结构方程建模（SEM）在以图形方式表示模型为路径图方面有着悠久的历史。本文介绍了免费提供的semPlot R软件包，它填补了高级但耗时的图形软件与SEM软件自动生成的有限图形之间的差距。此外，semPlot提供了比绘制路径图更多的功能：它可以作为将SEM结果导入R的共同基础。任何可用作semPlot输入的结果也可以在3种流行的SEM框架中表示，并转换为R包sem（Fox，Nie，& Byrnes，2013）和lavaan（Rosseel，2012）的输入语法。在包中特别考虑了变量的自动放置，使用3种新的算法，扩展了Boker，McArdle和Neale（2002）的早期工作。本文最后给出了关于这些节点放置算法的详细说明。
Structural equation modeling (SEM) has a long history of representing models graphically as path diagrams. This article presents the freely available semPlot package for R, which fills the gap between advanced, but time-consuming, graphical software and the limited graphics produced automatically by SEM software. In addition, semPlot offers more functionality than drawing path diagrams: It can act as a common ground for importing SEM results into R. Any result usable as input to semPlot can also be represented in any of the 3 popular SEM frameworks, as well as translated to input syntax for the R packages sem (Fox, Nie, & Byrnes, 2013) and lavaan (Rosseel, 2012). Special considerations are made in the package for the automatic placement of variables, using 3 novel algorithms that extend the earlier work of Boker, McArdle, and Neale (2002). The article concludes with detailed instructions on these node-placement algorithms.