R ggplot, remove white margins in ggsave/ggplot

Question

How can I remove the white margins in ggsave?

My question is exactly the same as Remove white space (i.e., margins) ggplot2 in R. However, the answer there isn\'t ideal

Answer 1

If pdf and pdfcrop aren't your thing, for example you work in png with a png logo - then see my answer here: How to save a ggplot2 graphic with the proper aspect ratio?