Published: March 12, 2021.
Having consistent {knitr} options and hook, improves reproducibility and reduces errors. This post provides a set of standard {knitr} chunk arguments to simplify workflows and make consistent graphs.
Published: February 23, 2021.
Adding images with {knitr} is straightforward; we simply use include_graphics(). However, it is easy to add an image that is too large, or has the wrong dimensions. This post tells you what to watch out for, and how to optimise your images for the web.
Published: February 19, 2021.
When including graphics within a markdown document, it's crucial to use the correct file type from generating graphics. However, there isn't one size fits all, instead, we should choose what's most appropriate for the image.
Published: February 15, 2021.
Setting the correct images sizes in an R markdown document, can be tricky. There are a number of different arguments that all interact with each other. In this post, we look at how we should create the correct image sizes using {knitr}.
Published: April 15, 2020.
In our recent post about saving R graphics, it became obvious that achieving consistent graphics across platforms or even saving the “correct” graph on a particular OS was challenging. Getting consistent fonts across platforms often failed, and for the default PNG device under Windows, anti-aliasing was also an issue.
Published: April 14, 2020.
R is known for it’s amazing graphics. Not only {ggplot2}, but also {plotly}, and the other dozens of packages at the graphics task view. There seems to be a graph for every scenario. However once you’ve created your figure, how do you export it? This post compares standard methods for exporting R plots as PNGs/PDFs across different OSs.
