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INSERT PICTURE IN RMARKDOWN HOW TO
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Rmd format!) and want to be consistent throughout the file, then the decision for the knitr method is obvious.īut let’s see what the other file format are producing. Another decision criteria could be consistency: If you are using R chunks (which is the major reason to use the.

INSERT PICTURE IN RMARKDOWN CODE

On the other hand filling in the window fields is - especially for people who are not so comfortable with HTML or Markdown code - easier.

INSERT PICTURE IN RMARKDOWN WINDOWS

The Addin and Visual R Markdown windows do not provide this feature.

One big difference is the possibility to number the figures automatically.

To sum up this this little investigation I see three patterns of decisions criteria: So - for instance - provides the conversion via Pandoc many advantages but looses also some features of Hugo or the applied theme. But keep in mind that advantages on the one hand are often counter acted by disadvantages on other areas. If we take into account that code produced by the RStudio Addin window can be improved at any time with the Visual R Markdown window then all the four offered methods are pretty similar. So maybe it would be a good idea to style both variants the same way.Ĩ^ | 1via output chunk arbitrary HTML code! These two HTML tag are different to the code produced by other methods of inserting images. The produced HTML is pretty complex, but here we are just interested in the two relevant tags for CSS styling: and. This has the advantage that I can include Hugo’s shortcode syntax without any changes. But to apply it more easily I use pure HTML code chunks to prevent a conversion by Pandoc. I couldn’t understand this remark as for me all the Hugo shortcodes works well. You may enable the unsafe option in the configuration file. One consequence is that shortcodes may fail to render.

Since Hugo v0.60, Hugo has switched its default Markdown rendering engine to Goldmark. In the above quoted man page for the shortcode() function there is a also special note on this issue: But after Hugo v0.60 the default Markdown rendering engine changed to Goldmark. With Blackfriday as default Markdown rendering engine I used to use for shortcodes the blogdown::shortcode() function. You may also find the Rmarkdown cheat sheet helpful if you're working with Rmarkdown documents.You cannot simply write in R Markdown, because Pandoc is not aware of Hugo shortcodes, and may convert special characters so that Hugo can no longer recognize the shortcodes (e.g. < will be converted to <).

Remove unused whitespace around your graphics (more of an issue for base R grahics ggplot2 handles this pretty well already).

Think about the aspect ratio of your graphics.

Don't ever use JPG for R graphics output.

Use PNG for R graphics output, and use a high-resolution if you plan to print.

INSERT PICTURE IN RMARKDOWN PDF

If you plan to print (or these days, view on high-resolution displays), use PDF output.

Although written many years ago, most of these tips are still relevant, in particular: While Zev's guide focuses on manipulating images as generated by R, this might also be a good time to revisit these tips on making the graphics themselves as attractive and useful as possible.

INSERT PICTURE IN RMARKDOWN HOW TO

How to apply CSS styles (like borders and background colors) to individual images (or R code or other Rmarkdown chunks, for that matter).How to insert multiple images (say, all images in a directory) into your document at once.How to automatically reduce the size of PNG images generated by R.(Usually not an issue for HTML output, where the resolution is implied by the figure height/width, but relevant for Word and PDF documents and when consuming output on Retina displays). How to change the resolution of your images.How to change the width and height of images created by R, and of imported image files.

To maximize the power of those images, Zev Ross has created a comprehensive list of tips and tricks for working with images in R markdown documents. Images, in particular, are a powerful means of communication in a report, whether they be data visualizations, diagrams, or pictures. Rmarkdown is an enormously useful system for combining text, output and graphics generated by R into a single document.