Within RStudio you can save diagrams as an image (PNG, BMP, etc.) or copy them to clipboard for re-use in other applications.įor a more reproducible workflow, diagrams can be embedded within R Markdown documents just like plots (all of the required HTML and JS is automatically included). This has the following implications for how they can be published and re-used: Publishing with DiagrammeRĭiagrams created with DiagrammeR act a lot like R plots however there’s an important difference: they are rendered as HTML content rather than using an R graphics device. Using the graphviz_graph function you can specify nodes and edges directly using a data frame.įuture versions of DiagrammeR are expected to include additional features to support direct generation of diagrams from R. See the documentation on Graphviz Substitution for more details. Using text substitution, whereby you create placeholders within the diagram script and substitute their values from R objects. The latest version of DiagrammeR (v0.6, just released to CRAN) also includes facilities for generating diagrams from R code. Generating Diagrams from R Codeīoth of the examples above illustrating creating diagrams by direct editing of DOT and mermaid scripts. See the DigrammeR mermaid.js documentation for additional details. For example, with the following source file (“boxes.dot”): Its features include well-tuned layout algorithms for placing nodes and edge splines, edge labels, “record” shapes with “ports” for drawing data structures, and cluster layouts (see for an introductory guide).ĭiagrammeR can render any DOT script. ![]() ![]() DOT draws directed graphs as hierarchies. If you aren’t familiar with Graphviz, it’s a tool for rendering DOT (a plain text graph description language). We’re very excited about the prospect of creating sophisticated diagrams using an easy to author plain-text syntax, and built some special authoring support for DiagrammeR into RStudio v0.99 (which you can download a preview release of now). Rendering of Graphviz graph visualizations (via viz.js)Ĭreating diagrams and flowcharts using mermaid.jsįacilities for mapping R objects into graphs, diagrams, and flowcharts. ![]() The package is very flexible and powerful, and includes: Soon after the announcement of htmlwidgets, Rich Iannone released the DiagrammeR package, which makes it easy to generate graph and flowchart diagrams using text in a Markdown-like syntax.
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