When converting rmarkdown into PDF, is it possible to determine the position (on the page) and the size of the chart very precisely according to my needs?
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Have a look here https://stackoverflow.com/questions/29696172/how-to-hold-figure-position-with-figure-caption-in-pdf-output-of-knitr – Julian Aug 25 '22 at 07:41
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1Not really, latex is notorious in this regard. – r2evans Aug 25 '22 at 08:20
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Using the Pagedown package you can position elements as you need.
When you put in a figure using an R code chunk, you can give it a caption like so:
```{r, example-label, echo=FALSE, message=FALSE, warning=FALSE, fig.cap="Example Chart"}
ggplot whatever
```
When you knit the document it'll then output your plot as a figure, which will be in a html img tag. The caption from the code chunk will then be assigned as the alt property of the img.
Then you can target the image using CSS. For example:
img[alt="Example Chart"] {
display: none;
}
Alternatively, you could simply put in an image using markdown and then give it a style, like so:
{class="" style="display: block; margin-left: auto; margin-right: auto; width:50%;"}
In short, Pagedown can give you the ability to position and size charts as you want, if you're comfortable with CSS and/or HTML.
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