Tuning parameters

[topepo]

We're super happy that you made this.

I can put a PR into dials for the new tuning parameters (if you like) or you could take a dials+scales dependency and add them here.

Also, we should modify a few things related to tuning parameters.

• laplace_sigma references dials::svm_margin (prob copy/paste issue)
• I think svm_anova_rbf should point to dials::degree_int(). Probably the same for the Bessel kernel and maybe order? ¯_(ツ)_/¯ (I'll do some testing)

I can have a PR for these in short order too.

[frankiethull]

I am super happy that you are here helping me out :)

This was a big learning opportunity for me and appreciate the tidymodels team even more now.

I had started with the svm_laplace, actually a one-off fcn svm_laplacian just so I could figure out how parsnip bindings work. Then decided to build a full-on package since I had a name in mind. I thought I had fixed the reference issue (as a few others in laplace) but was moving fast.

As for parameter naming and where to point, I am fine with changing those parameter names. Let me know how the tests go and thank you for helping with the maize dependencies as well.

[frankiethull]

@topepo - I added a handful of special kernels with a few more I'd like to implement. these are really fun to play with! I was hoping for advice on the additional tuning parameters and see what your thoughts were.