Except RObject functions and R preprocessor in BioUML workbench user can type R commands directly in R syntax.

JavaScript pane provides combo box with available types of preprocessors. This preprocessor will be used for all commands in text area. Default preprocessor JavaScript doesn't makes any preprocessor operations.

To add R preprocessor you should only create RObject. For example,

r  = R.rserve()

After this command "e; R script - r "e; item will be added to preprocessor list

With R script - r all commands will be automatically transform from R to JavaScript with r object.