inlining vs writing out to a file

[sa-lee]

Potential option is to write out to a tempfile to speed up rendering for large datasets.

Options are arrow or csv or json
https://github.com/vega/vega-loader-arrow

[earowang]

If writing out to a temp file, how does it work when running shiny?

[earowang]

A helper to replace inline data values with URLs/paths

[sa-lee]

https://vegawidget.github.io/vegawidget/reference/vw_set_base_url.html

[earowang]

vega_serialize_data(v, path)

[earowang]

However, it will not work with knitr, since vegawidget(base_url) gives a warning when knitr is in progress.