You could determine a local path and then tell R to save various graphics in a row. I attached an example workflow that does that. You might use that as a starter.
The R View shows one plot but saves more than one. I tried that with just a R scrip node but it gave me an error message.
External resources
Used extensions & nodes
Created with KNIME Analytics Platform version 4.5.0
Legal
By using or downloading the workflow, you agree to our terms and conditions.