![]() The caption argument is controlled in the chunk option, under the option, fig.cap. Getting the figure to “look” right usually requires playing around with these options. 10.5.1 Captions for figures Inserting a caption for a figure is a little bit different. Below we have fig.width = 3, fig.height = 3, out.width = "60%", out.height = "60%". We can use fig.width and fig.height with out.width and out.height. Below figure we use out.width = "60%", out.height = "60%". The book can be exported to HTML, PDF, and e-books (e.g. You may also use percentage which scales appropriately for both html and pdf outputs. You need figures and tables in your own writing, whether it be a journal paper, an internal document, or some documentation. A guide to authoring books with R Markdown, including how to generate figures and tables, and insert cross-references, citations, HTML widgets, and Shiny apps in R Markdown. you can use ".8\\linewidth"for pdf output ( \linewidth is a LaTeX command) or "300px" for html output. These two options can only take character as values and this may depend on the output format. ggplot(cars, aes(dist, speed)) Īnother way to scale your image is using out.width and out.height. The values for fig.height and fig.width are required to be both numeric (measured in inches). You can change this to say 1 inch by setting the chunk options fig.height = 1, fig.width = 1. I can get a scatter plot of the speed vs dist using ggplot2 (which was loaded with tidyverse): ggplot(cars, aes(dist, speed)) īy default the figure width is 7 inches and figure width is 5 inches for html_document output. The same can be achieved with spaces add the and of the line (after the image) and then no empty lines before the next paragraph. ![]() The tex file will have an inline image (no figure environment) followed by a hard line break. You can have a look at the data set by typing cars into R. In Pandoc Markdown, a backslash followed by a newline generates a hard line break. ![]() Figure captions are turned off by default in R Markdown, and you have to turn them on (figcaption: true). Works with both images and code fences: images aren’t the only use of captions. Stays true to Markdown’s intent: Markdown has a clear set of rules that should be followed. There is a data set called cars that is loaded into R. Please see the documentation of R Markdown for PDF output, and in particular, look for figcaption. Ideally, a caption solution: Maintains Markdown portability: you should be able to take your Markdown to any Markdown processor and still get captions. R Markdown Workshop Challenge: Customising figures ![]()
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