How to parse extension package arguments to parsnip?

[marcelglueck]

I am currently using bag_mlp() with the nnet engine. I know that engine-specific arguments may be parsed through set_engine(). However, I am wondering whether there is a straightforward way to do the same with extension package arguments.

For instance, how do I parse the times argument from baguette::bagger() without having to change the default values of baguette:bagger() itself?

Many thanks for your assistance.

[topepo]

Good question that we have not documented well.

short answer: you pass arguments to the underlying function using set_engine() so use set_engine("nnet", times = 50).

longer answer: when you go to the help page for bag_mlp, there are links to the engine-specific functions, and these tell you the underlying function (like bagger()). Any options passed to set_engine() are passed to that function.

[marcelglueck]

That seems to work. Thanks!

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