This node opens a local R session and pushes the R workspace from KNIME into R. Make sure that Rserve is running somewhere, and KNIME is accordingly configured (KNIME->Preferences).
Detailed documentation about the R generic nodes: Wiki on GitHub: knime-scripting
- Type: de.mpicbg.knime.scripting.r.port.RPortType2existing R workspaceR workspace, which should be pushed to R.