![]() You may also find the Rmarkdown cheat sheet helpful if you're working with Rmarkdown documents. 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.Image description (/images/picture.jpg) The part in square brackets is the so-called alternative text, which is important for the following reasons: For accessibility. Don't ever use JPG for R graphics output. The first way to insert local image to markdown document is to use the following code: 1. Use PNG for R graphics output, and use a high-resolution if you plan to print.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. 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.
0 Comments
Leave a Reply. |